Alright, let's work through 8991 times 9676 step by step
8991 × 9676 = 9676 × (8991)
+ 9676 × 1 resulting in 9676
+ 9676 × 90 giving us 870840
+ 9676 × 900 that equals 8708400
+ 9676 × 8000 producing 77408000

= 86996916
