Faktorial dari12!(15-6)!​

12! = 12 x 11 x x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

12! = 479.001.600

(15-6)! = 11! = 12! : 12 = 479.001.600 : 12 = 39.916.800