No problem, we've got 8170 and 2551 to multiply
8170 × 2551 = 2551 × (8170)
+ 2551 × 0 resulting in 0
+ 2551 × 70 that equals 178570
+ 2551 × 100 resulting in 255100
+ 2551 × 8000 that is equal 20408000

= 20841670
