#include #include #include #include #include #include #include #include #include #include using namespace std; struct aaa{aaa(){cin.tie(nullptr); ios::sync_with_stdio(false); cout<ostream &operator<<(ostream &o,const vector&v){o<<"{";for(int i=0;i<(int)v.size();i++)o<<(i>0?", ":"")<> a >> b >> c; cout << ((double)a / b * c) << endl; }