Alright, let's work through 8622 times 9121 step by step
8622 × 9121 = 9121 × (8622)
+ 9121 × 2 giving us 18242
+ 9121 × 20 resulting in 182420
+ 9121 × 600 resulting in 5472600
+ 9121 × 8000 producing 72968000

= 78641262
