No problem, we've got 2620 and 8521 to multiply
2620 × 8521 = 8521 × (2620)
+ 8521 × 0 resulting in 0
+ 8521 × 20 which equals 170420
+ 8521 × 600 what gives us 5112600
+ 8521 × 2000 that is equal 17042000

= 22325020
