Alright, let's work through 8789 times 8641 step by step
8789 × 8641 = 8641 × (8789)
+ 8641 × 9 resulting in 77769
+ 8641 × 80 producing 691280
+ 8641 × 700 giving us 6048700
+ 8641 × 8000 that equals 69128000

= 75945749
