diff --git a/src/main/java/Calculator.java b/src/main/java/Calculator.java
index 009f22b..9bd7693 100644
--- a/src/main/java/Calculator.java
+++ b/src/main/java/Calculator.java
@@ -9,7 +9,7 @@ public double add(double a, double b){
     }
 
     public double multiply(double a, double b){
-        return a * b;
+        return a + b;
     }
 
     public static void main(String[] args){