#include <iostream>
using namespace std;

int main() {
    int m, n, s;
    cin >> m >> n >> s;
    
    // 计算原花圃面积
    int area = m * (s / n);
    
    cout << area << endl;
    
    return 0;
}
/**************************************************************
	Problem: 1323
	User: huangcanwu
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/