We're going to solve 6621 multiplied by 1491
6621 × 1491 = 1491 × (6621)
+ 1491 × 1 resulting in 1491
+ 1491 × 20 that results in 29820
+ 1491 × 600 which equals 894600
+ 1491 × 6000 yielding 8946000

= 9871911
