import sys, random
input = lambda : sys.stdin.readline().rstrip()


write = lambda x: sys.stdout.write(x+"\n"); writef = lambda x: print("{:.12f}".format(x))
debug = lambda x: sys.stderr.write(x+"\n")
YES="Yes"; NO="No"; pans = lambda v: print(YES if v else NO); INF=10**18
LI = lambda v=0: list(map(lambda i: int(i)-v, input().split())); II=lambda : int(input()); SI=lambda : [ord(c)-ord("a") for c in input()]
def debug(_l_):
    for s in _l_.split():
        print(f"{s}={eval(s)}", end=" ")
    print()
def dlist(*l, fill=0):
    if len(l)==1:
        return [fill]*l[0]
    ll = l[1:]
    return [dlist(*ll, fill=fill) for _ in range(l[0])]

t = II()
from math import gcd
for _ in range(t):
    d,x,y = list(map(int, input().split()))
    g = gcd(x,y)
    xx = x//g
    yy = y//g
    def sub(dx,dy):
        ok = 0
        ng = 10**12
        while abs(ok-ng)>1:
            mm = (ok+ng)//2
            nx = x + mm*dx
            ny = y + mm*dy
            if 0<=nx<=d and 0<=ny<=d:
                ok = mm
            else:
                ng = mm
        nx = x + ok * dx
        ny = y + ok * dy
        return abs(x * ny - y * nx)
    res = sub(yy, -xx)
    res2 = sub(-yy, xx)
    print(max(res, res2))