Alright, let's work through 8628 times 9520 step by step
8628 × 9520 = 9520 × (8628)
+ 9520 × 8 what gives us 76160
+ 9520 × 20 yielding 190400
+ 9520 × 600 resulting in 5712000
+ 9520 × 8000 producing 76160000

= 82138560
