Alright, let's work through 8351 times 2505 step by step
8351 × 2505 = 2505 × (8351)
+ 2505 × 1 yielding 2505
+ 2505 × 50 producing 125250
+ 2505 × 300 that is equal 751500
+ 2505 × 8000 giving us 20040000

= 20919255
