Update app.py

app.py

@@ -49,10 +49,14 @@ def invoke_tool(state):
             arguments = json.loads(tool_call["function"]["arguments"])
             result = multiply.invoke(arguments)
             tool_results.append(
-                AIMessage(content=f"Tool Result: {result}", additional_kwargs={"tool_call_id": tool_call["id"]})
+                AIMessage(
+                    content=f"The result of multiplying {arguments['first_number']} and {arguments['second_number']} is {result}.",
+                    additional_kwargs={"tool_call_id": tool_call["id"]}
+                )
             )
     return {"messages": tool_results or [AIMessage(content="No valid tool input provided.")]}
 
+
 graph.add_node("tool", invoke_tool)
 
 # Explicit Router Node