Alright, let's work through 8770 times 5421 step by step
8770 × 5421 = 5421 × (8770)
+ 5421 × 0 that equals 0
+ 5421 × 70 that is equal 379470
+ 5421 × 700 that results in 3794700
+ 5421 × 8000 that is equal 43368000

= 47542170
