Alright, let's work through 8886 times 8720 step by step
8886 × 8720 = 8720 × (8886)
+ 8720 × 6 yielding 52320
+ 8720 × 80 that equals 697600
+ 8720 × 800 resulting in 6976000
+ 8720 × 8000 yielding 69760000

= 77485920
