#include <cstdlib>
#include <iostream>

using namespace std;

int main()
{
float D,K,D1,K1;
cout<<„Unesi redom D,K,D1″<<endl;
cin>>D;
cin>>K;
cin>>D1;
K1=(K*D1)/D;
cout<<K1<<endl;
system(„PAUSE“);
return EXIT_SUCCESS;
}