package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
)

func main() {
	reader := bufio.NewReader(os.Stdin)
	writer := bufio.NewWriter(os.Stdout)
	defer writer.Flush()

	var T int
	if _, err := fmt.Fscan(reader, &T); err != nil {
		return
	}

	for t := 0; t < T; t++ {
		var n, k int
		fmt.Fscan(reader, &n, &k)
		a := make([]int, n)
		for i := 0; i < n; i++ {
			fmt.Fscan(reader, &a[i])
		}
		sort.Ints(a)
		ans := 0
		for i := 1; i < n; i++ {
			ans += (k - a[i]) / a[0]
		}
		fmt.Fprintln(writer, ans)
	}
}