the factorial answer for 11!_8!

Question

i will be over the moon if you could solve this problem for me 8!/(24-12)!,9!/(8-3)!,5!/2!,22!/19!,21!/(21-(21-5)

Answer 1

me assume thats spozed tu be

21! / [21 -(21-5)]!

=21! / 5!

=6*7*8*9....*21

21!=51,090,942,171,709,440,000

5!=2*3*4*5=6*20=120

21!/5!=42,575,785,143,091,200