Alright, let's work through 8089 times 9690 step by step
8089 × 9690 = 9690 × (8089)
+ 9690 × 9 giving us 87210
+ 9690 × 80 yielding 775200
+ 9690 × 000 which equals 0
+ 9690 × 8000 that results in 77520000

= 78382410
