#include <bits/stdc++.h>   using namespace std;   const int oo = (int)1e9 + 9;   bool cmp(const pair<int, int> &a, const pair<int, int> &b) {     return a.first < b.first;   }   int main() {     int n, m;     cin >> n >> m;     vector<pair<int, int> > k(n);     for (int(i) = (0); (i) < (n); ++(i)) {       cin >> k[i].first >> k[i].second;     }     sort(((k).begin()), ((k).end()), cmp);     double ans = oo;     for (int(i) = (0); (i) < (n); ++(i)) {       ans = min(ans, (double)k[i].first / (double)k[i].second);     }     ans *= (double)m;     cout << fixed << setprecision(8) << ans << endl;     return 0;   }   