#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    vector<vector<int>> ok(100001);
    for(int i=1; i<=1000; i++){
        int limit = i*100*1000;
        for(long long s=0; s<=limit; s+=1000){
            long long now = s/i;
            ok.at(now).push_back(i);
        }
    }

    int T; cin >> T;
    while(T--){
        long long N; cin >> N;
        string S; cin >> S;
        reverse(S.begin(),S.end());
        long long T = 0,p10 = 1;
        for(auto c : S){
            if(c == '.') continue;
            T += p10*(c-'0');
            p10 *= 10;
        }

        long long answer = max(0LL,N-999);
        N = min(999LL,N);

        for(auto n : ok.at(T)){
            if(n > N) break;
            answer++;
        }
        cout << answer << endl;
    }
}