Alright, let's work through 8286 times 7807 step by step
8286 × 7807 = 7807 × (8286)
+ 7807 × 6 that equals 46842
+ 7807 × 80 which equals 624560
+ 7807 × 200 which equals 1561400
+ 7807 × 8000 that is equal 62456000

= 64688802
