#include <bits/stdc++.h>
#ifdef LOCAL
#include "./debug.cpp"
#else
#define debug(...)
#define print_line
#endif
using namespace std;
using ll = long long;

int main() {
    int T;
    cin >> T;
    while (T--) {
        ll N, fi, se;
        scanf("%lld %lld.%lld", &N, &fi, &se);
        debug(N, fi, se);

        if (se == 0) {
            cout << N << endl;
            continue;
        }
        if (N < 1000 && 1000 % se > 1) {
            cout << 0 << endl;
            continue;
        }

        ll sh = 1000 / se;
        cout << min(N, 1000ll) / sh + (N >= 1000 ? ll(log10(N)) - 2 : 0) << endl;
    }
}