#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <iomanip>
using namespace std;
typedef long long ll;

int main() {
	double s, d;
	ll t;
	cin >> t >> s >> d;
	cout << std::setprecision(20) << d/s << endl;
	return 0;
}