calculate average of 4 numbers.

#include <iostream>

using namespace std;

#include <iomanip>

 int main()

    {

     float num1,num2,num3,num4,avg;

     cout<<"Enter first number:";

    cin>> num1;

    cout<<"Enter second number :";

    cin>> num2;

    cout<<"Enter third number :";

    cin>> num3;

    cout<<"Enter fourth number:";

    cin>> num4;

    avg=num1+num2+num3+num4/4.0;

    cout<<fixed<<setprecision(2)<<"The average of the four number is:"<<avg<<endl;

}