No problem, we've got 6622 and 4245 to multiply
6622 × 4245 = 4245 × (6622)
+ 4245 × 2 producing 8490
+ 4245 × 20 what gives us 84900
+ 4245 × 600 producing 2547000
+ 4245 × 6000 producing 25470000

= 28110390
