Abbey knew that the combination for her locker had the numbers 36, 12, 8, and 40, but she couldn't r

Abbey knew that the combination for her locker had the numbers 36, 12, 8, and 40, but she couldn't remember the right order of the numbers. How many different possibilities are there for the lock combination using the four numbers?

First number could be 4 choices, then 3, then 2, then 1. So we have:
4! = 4 x 3 x 2 x 1 = 24 possibilities