We're going to solve 6620 multiplied by 1428
6620 × 1428 = 1428 × (6620)
+ 1428 × 0 giving us 0
+ 1428 × 20 that is equal 28560
+ 1428 × 600 yielding 856800
+ 1428 × 6000 that is equal 8568000

= 9453360
