#include<iostream>
using namespace std;
class calculation
{
    public:
    string name;
    float quan,price;
    float res=0;
    void quantity(string name,float quan,float price)
    {
        res=quan*price;
    }
    void quantity()
    {
        cout<<res:
        
    }
};
int main()
string name;
float quan,price;
cin>>name>>quan>>price;
calculation q;
q.quantity(name,quan,price);
q.quantity();
}