5WA 求调

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