code: added product output

main.cpp

@@ -7,5 +7,6 @@ int main()
 	int a, b;
 	cin >> a >> b;
 	cout << "A + B = " << a + b << '\n'
-		<< "A - B = " << a - b << '\n';
+		<< "A - B = " << a - b << '\n'
+		<< "A - B = " << a * b << '\n';
 }