// Problem: No.2624 Prediction by Average
// Contest: yukicoder
// URL: https://yukicoder.me/problems/no/2624
// Memory Limit: 512 MB
// Time Limit: 2000 ms

#include<bits/stdc++.h>
#define debug(x) cerr<<(#x)<<" "<<(x)<<endl
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
#define pii pair<ll,ll>
#define rep(i,a,b) for(ll i=(a);i<=(b);++i)
#define per(i,a,b) for(ll i=(a);i>=(b);--i)
using namespace std;
bool Mbe; 
ll read(){
	ll x=0,f=1;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}
void write(ll x){
	if(x<0)putchar('-'),x=-x;
	if(x>9)write(x/10);
	putchar(x%10+'0');
}
ll T,n;
ld S;
bool Med;
int main(){
	cerr<<fabs(&Med-&Mbe)/1048576.0<<"MB\n";
	cin>>T;
	while(T--){
		cin>>n>>S;
		ll ans=0;
		rep(j,1,1000){
			ld ru=S*j;
			ld oo=round(ru);
			ld qdqd=oo*1.0/j;
			ld o=floor(qdqd*1000)/1000.0;
			if(fabs(o-S)<=1e-5)ans+=n/1000+(n%1000>=j);
		}
		write(ans),putchar('\n');
	}
	return 0;
}