...

main.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+// you may type whatever you want
 
 using namespace std;
 
@@ -9,6 +10,7 @@ int main()
     cin >> a >> b;
     cout << "A + B = " << a + b << '\n'
      << "A - B = " << a - b << '\n';
+     cout<<a*b;
 
 
 }