update calculus

app.py

@@ -14,7 +14,8 @@ def my_custom_tool(number1:int, number2:int)-> str:
         number1: the first argument
         number2: the second argument
     """
-    return "The greatest common divisor between {"number1"} and {"number2"} is {"math.gcd_tool(number1,number2)"}.
+    greatest_divisor = math.gcd_tool(number1,number2)
+    return "The greatest common divisor between {"number1"} and {"number2"} is {"greatest_divisor"}.
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: