/* -*- coding: utf-8 -*-
 *
 * 2624.cc:  No.2624 Prediction by Average - yukicoder
 */

#include<cstdio>
#include<algorithm>
 
using namespace std;

/* constant */

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

/* main */

int main() {
  int tn;
  scanf("%d", &tn);

  while (tn--) {
    ll n;
    int x, y;
    scanf("%lld%d.%d", &n, &x, &y);
    ll s = x * 1000 + y;
    //printf(" n=%lld, s=%lld\n", n, s);
    
    int m = min(999LL, n);
    ll cnt = n - m;
    for (int k = 1; k <= m; k++) {
      ll x0 = (s * k + 999) / 1000;
      ll x1 = (s + 1) * k / 1000;
      //printf("  k=%d, x0=%lld, x1=%lld\n", k, x0, x1);
      if (x0 <= x1) cnt++;
    }

    printf("%lld\n", cnt);
  }

  return 0;
}