#include <bits/stdc++.h>
using namespace std;
const int maxn = 100001;
long long h, c, temp;
long double f(long long m) {
  long double r = 1.0 * (m * h + (m)*c) / (2 * m);
  return (abs(r - temp));
}
long double f12(long long m) {
  long double r = 1.0 * (m * h + (m - 1) * c) / (2 * m - 1);
  return (abs(r - temp));
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int t;
  t = 1;
  cin >> t;
  while (t--) {
    long long i, j, k;
    cin >> h >> c >> temp;
    long long l = 1;
    long long r = 1000000000;
    while (r - l > 2) {
      long long m1 = (l * 2 + r) / 3;
      long long m2 = (l + 2 * r) / 3;
      if (f(m1) > f(m2))
        l = m1;
      else
        r = m2;
    }
    long double ans = f(2);
    j = 2;
    for (i = l; i <= r; i++) {
      if (f(i) < ans) {
        j = 2 * i;
        ans = f(i);
      }
    }
    l = 1;
    r = 1000000000;
    while (r - l > 2) {
      long long m1 = (l * 2 + r) / 3;
      long long m2 = (l + 2 * r) / 3;
      if (f12(m1) > f12(m2))
        l = m1;
      else
        r = m2;
    }
    for (i = l; i <= r; i++) {
      if (f12(i) < ans) {
        j = 2 * i - 1;
        ans = f12(i);
      }
    }
    cout << j << "\n";
  }
}
