from math import gcd

for _ in range(int(input())):
	D, x, y = map(int, input().split())
	if x == 0:
		print(y * D)
	elif y == 0:
		print(x * D)
	else:
		g = gcd(x, y)
		xg, yg = x // g, y // g
		ans = 0
		a1 = min((D - y) // xg, x // yg)
		ans = max(ans, (x * x + y * y) // g * a1)
		a2 = min((D - x) // yg, y // xg)
		ans = max(ans, (x * x + y * y) // g * a2)
		print(ans)