Alright, let's work through 8628 times 9680 step by step
8628 × 9680 = 9680 × (8628)
+ 9680 × 8 what gives us 77440
+ 9680 × 20 what gives us 193600
+ 9680 × 600 which equals 5808000
+ 9680 × 8000 resulting in 77440000

= 83519040
