#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,n) for (int i=0;i<(int)(n);i++)

int main(){
  int t,s,d;
  cin>>t>>s>>d;
  double tm=double(d)/s;
  cout<<fixed<<setprecision(10);
  cout<<tm<<endl;
}