No problem, we've got 1622 and 3828 to multiply
1622 × 3828 = 3828 × (1622)
+ 3828 × 2 giving us 7656
+ 3828 × 20 giving us 76560
+ 3828 × 600 that is equal 2296800
+ 3828 × 1000 resulting in 3828000

= 6209016
