from math import gcd

T = int(input())

def func(nx, ny):
    left = 0
    right = 10**12
    while left+1 < right:
        mid = (left+right)//2
        if 0 <= x+nx*mid <= D and 0 <= y+ny*mid <= D:
            left = mid
        else:
            right = mid
    return left

def area(x1, y1, x2, y2, x3, y3):
    return abs((x1-x3)*(y2-y3)-(x2-x3)*(y1-y3))

for _ in range(T):
    D, x, y = map(int, input().split())
    GCD = gcd(x, y)
    nx, ny = x//GCD, y//GCD
    nx1, ny1 = ny, -nx
    nx2, ny2 = -ny, nx
    cnt1, cnt2 = func(nx1, ny1), func(nx2, ny2)
    if cnt1 == cnt2 == 0:
        print(0)
    else:
        xb1, yb1 = x+nx1*cnt1, y+ny1*cnt1
        xb2, yb2 = x+nx2*cnt2, y+ny2*cnt2
        print(max(area(0, 0, x, y, xb1, yb1), area(0, 0, x, y, xb2, yb2)))