No problem, we've got 6222 and 6403 to multiply
6222 × 6403 = 6403 × (6222)
+ 6403 × 2 giving us 12806
+ 6403 × 20 which equals 128060
+ 6403 × 200 that equals 1280600
+ 6403 × 6000 resulting in 38418000

= 39839466
