build: добавлен вывод произведения

main.cpp

@@ -7,6 +7,8 @@ int main()
     cout << "Enter A and B: ";
     int a, b;
         cin >> a >> b;
-        cout << "A + B = " << a + b << '\n'<< "A - B = " << a - b << '\n';
+        cout << "A + B = " << a + b << '\n'
+        << "A - B = " << a - b << '\n'
+        <<"A * B = "<<a*b<<'\n';
     return 0;
 }