C++ please. please follow the starter code.

also, the output should look like the example I've provided. input 4

output: Calling the function half with 4 returns: 2.

ill like upon completion

The following statement calls a function named half. The half function returns a value that is half that of the argument. Write the function. result = half(number); 3 #include 4 using namespace std; 5 6 // Function prototype 7 // YOUR CODE HERE 8 9 10 int main() 11 ( 12 int number; 13 cin >> number; 14 double result = half (number); 15 cout