diff --git a/005. Operators/01_arithmetic.bat b/005. Operators/01_arithmetic.bat
index 358fa48..9d2b899 100644
--- a/005. Operators/01_arithmetic.bat	
+++ b/005. Operators/01_arithmetic.bat	
@@ -4,11 +4,11 @@ SET /A second = 100
 SET /A third = 120
 SET /A sum = %first%+%second%
 echo %sum%
-SET /A sum = %first%-%second%
-echo %sum%
-SET /A sum = %second%*%first%
-echo %sum%
-SET /A sum = %second%/%first%
-echo %sum%
-SET /A sum =%third% %% %first%
-echo %sum%
\ No newline at end of file
+SET /A difference = %first%-%second%
+echo %difference%
+SET /A product = %second%*%first%
+echo %product%
+SET /A quotient = %second%/%first%
+echo %quotient%
+SET /A modulo =%third% %% %first%
+echo %modulo%