calculate area of a square in C++

 #include<iostream>

using namespace std;

//code to calculate the area of a square = side * side.

int main() {

    int side1;

    int side2;

    cout<<"enter side 1: ";

    cin>>side1;

    cout<<"enter side 2: ";

    cin>>side2;

    int area = side1*side2;

    cout<<"area of square is "<<area<<endl;

    return 0;

}