Alright, let's work through 8315 times 7685 step by step
8315 × 7685 = 7685 × (8315)
+ 7685 × 5 yielding 38425
+ 7685 × 10 giving us 76850
+ 7685 × 300 what gives us 2305500
+ 7685 × 8000 yielding 61480000

= 63900775
