can you please explain with a detail answer. thank u

10: Introduction To Computer Science for Science, Mathematics & Eng ng basics Check Show answer CHALLENGE ACTIVITY 1.2.2: Output variable value. Start Write a statement that outputs variable userAge. End with a newline. 1 #include using namespace std; 4 int main() { int userAge; cin >> userAge; // Program will be tested with values: 15, 40. 9 Your code goes here return; 12 Next Outputting multiple items with one statement