#include <iostream>
int main() {
    int m, n, s;
    std::cin >> m >> n >> s;
    int width = s / n;
    int area = m * width;
    std::cout << area;
    return 0;
}    
/**************************************************************
	Problem: 1323
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/