#include <bits/stdc++.h>
using namespace std;
int main() {
  int t, n, k;
  int nums[1005];
  cin >> t;
  while (t--) {
    cin >> n >> k;
    for (int i = 0; i < n; i++) cin >> nums[i];
    sort(nums, nums + n);
    int sum = 0;
    for (int i = 1; i < n; i++) sum += (k - nums[i]) / nums[0];
    cout << sum << "\n";
  }
  return 0;
}
