Factorial division

def factorial(n):
    if n == 0:
        return 1
    else:
        return n * factorial(n - 1)

num1 = int(input())
num2 = int(input())

fact1 = factorial(num1)
fact2 = factorial(num2)

result = "{:.2f}".format(fact1 / fact2)

print(result)