diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 0f8333f..04b27bd 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,11 +5,7 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="584a2518-0bc5-4360-bc03-3335f62346fb" name="Changes" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/vcs.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/vcs.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/pom.xml" beforeDir="false" afterPath="$PROJECT_DIR$/pom.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/Main.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/model/Calculator.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/model/Calculator.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/test/java/NegativeCalculatorTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/NegativeCalculatorTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/test/java/PositiveCalculatorTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/test/java/PositiveCalculatorTest.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -31,8 +27,10 @@
   </component>
   <component name="PropertiesComponent"><![CDATA[{
   "keyToString": {
+    "Maven.unit-test [org.apache.maven.plugins:maven-clean-plugin:3.2.0:clean].executor": "Run",
     "ModuleVcsDetector.initialDetectionPerformed": "true",
     "RunOnceActivity.ShowReadmeOnStart": "true",
+    "RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252": "true",
     "RunOnceActivity.git.unshallow": "true",
     "TestNG.NegativeCalculatorTest.negativeTest.executor": "Run",
     "TestNG.PositiveCalculatorTest.positiveTest.executor": "Run",
@@ -40,7 +38,7 @@
     "kotlin-language-version-configured": "true"
   }
 }]]></component>
-  <component name="RunManager" selected="TestNG.NegativeCalculatorTest.negativeTest">
+  <component name="RunManager" selected="TestNG.PositiveCalculatorTest.positiveTest">
     <configuration name="NegativeCalculatorTest.negativeTest" type="TestNG" temporary="true" nameIsGenerated="true">
       <module name="unit-test" />
       <option name="PACKAGE_NAME" value="" />
@@ -67,8 +65,8 @@
     </configuration>
     <recent_temporary>
       <list>
-        <item itemvalue="TestNG.NegativeCalculatorTest.negativeTest" />
         <item itemvalue="TestNG.PositiveCalculatorTest.positiveTest" />
+        <item itemvalue="TestNG.NegativeCalculatorTest.negativeTest" />
       </list>
     </recent_temporary>
   </component>
diff --git a/src/test/java/PositiveCalculatorTest.java b/src/test/java/PositiveCalculatorTest.java
index b7f0f6e..5ea3ee1 100644
--- a/src/test/java/PositiveCalculatorTest.java
+++ b/src/test/java/PositiveCalculatorTest.java
@@ -29,6 +29,7 @@ public class PositiveCalculatorTest {
                 {"+", String.valueOf(Integer.MAX_VALUE - 1), "1", (double)Integer.MAX_VALUE},
                 {"+", String.valueOf(Integer.MIN_VALUE + 1), "-1", (double)Integer.MIN_VALUE},
                 {"*", String.valueOf(Integer.MAX_VALUE), "1", (double)Integer.MAX_VALUE},
+                {"/", String.valueOf(Integer.MAX_VALUE), "2", (double)Integer.MAX_VALUE/2},
         };
     }
 
diff --git a/target/test-classes/PositiveCalculatorTest.class b/target/test-classes/PositiveCalculatorTest.class
index 9a479f8..85a0fd3 100644
Binary files a/target/test-classes/PositiveCalculatorTest.class and b/target/test-classes/PositiveCalculatorTest.class differ