Chocolate Feast

import java.util.Arrays;
import java.util.Scanner;

class TestClass {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner s = new Scanner(System.in);

int i, t, j, k, l, cnt=0,t1;
int n,c,w,p,m;
t = s.nextInt();
for (i = 0; i < t; i++)
{
n=s.nextInt();
c=s.nextInt();
m=s.nextInt();
w=n/c;
p=w;
while(p/m!=0)
{
int x=p/m;
p=(p%m)+x;
w+=x;
}
System.out.println(w);
}
}
}