Area of rectangle in c++

#include<iostream>
#include<conio.h>
using namespace std;
int main()
{
        float lenght, breath;
        double area;
        cout<<"Enter length and breath\n";
        cin>>lenght>>breath;
        area=lenght*breath;
        cout<<"Area of rectangle : "<<area;
        getch();
        return 0;
}

Output