C++ Program to find the gross sallery of a person

#include <iostream>
using namespace std;
int main ()
{
float sallery;
float grosssallery;
cout<<" Program to calculate Rameez's gross sallery with addition of all allownces! \n";
cout<<" Enter Rameez's basic sallery in Rupees \n";
cin>> sallery;
grosssallery= sallery + (sallery/100)*40 + (sallery/100)*20;
cout<<" Rameez's Gross sallery in Rupees after addition of allowances will be \n";
cout<< grosssallery;
return 0;
}