#include<bits/stdc++.h>
using namespace std;
long long x,a,b;
void solve()
{
	cin>>x>>a>>b;
	if((a-1)*x>=b)
		cout<<x<<endl;
	else
		cout<<x-(x/(b-a*x+x)+1)*(b-a*x+x)<<endl;
}
int main() {
	int T;
	cin>>T;
	while(T--)
	{
		solve();
	}
	return 0;
}

20分