31668. 특별한 가지

c
#include <bits/stdc++.h>

using namespace std;

int main() {
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(false);

    int N, M, K;
    cin >> N >> M >> K;
    cout << (M / N) * K << "\n";

    return 0;
}