diff --git a/src/main/java/mypackage/Calculator.java b/src/main/java/mypackage/Calculator.java
index 0d9a129f..d49b7aca 100644
--- a/src/main/java/mypackage/Calculator.java
+++ b/src/main/java/mypackage/Calculator.java
@@ -18,7 +18,7 @@ public long subFucn(long first, long second){
 	
 	public long mulFucn(long first, long second){
 		
-		return first/second;
+		return first*second;
 	}