import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


def ext_gcd(a, b):  # a*x+b*y == gcd(a,b) たる gcd(a,b),x,y
    if b > 0:
        d,x,y = ext_gcd(b,a % b)
        return d,y,x-(a//b)*y
    return a,1,0


T = I()
mod = 10**9+7
for _ in range(T):
    N,K,H,Y = MI()

    # Nを最大としてよい
    M = max(N,K,H)
    if M == K:
        N,K = K,N
    elif M == H:
        N,H = H,N

    g,a,b = ext_gcd(K,H)
    K //= g
    H //= g
    ans = 0
    for i in range(Y//N+1):
        Z = Y-N*i
        if Z % g != 0:
            continue
        Z //= g

        # K*j+H*k == Z の自然数解の個数
        c = a*Z
        d = b*Z
        ans += max(1+d//K-(-c+H-1)//H,0)
        ans %= mod
    print(ans)