#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);
        ll ave=fi*1000+se;

        ll ans=0;
        for(int i=1;i<=min(N,999ll);i++){
            ll lower=ave*i,upper=ave*i+i;
            if(upper/1000-lower/1000>1)ans++;
            else if(upper/1000-lower/1000==1){
                if(upper%1000>0)ans++;
            }
            else{
                if(lower%1000==0)ans++;
            }
        }

        ans+=max(0ll,N-999);
        cout<<ans<<endl;
    }
}