Alright, let's work through 9880 times 8286 step by step
9880 × 8286 = 8286 × (9880)
+ 8286 × 0 yielding 0
+ 8286 × 80 that is equal 662880
+ 8286 × 800 which equals 6628800
+ 8286 × 9000 what gives us 74574000

= 81865680
