No problem, we've got 6622 and 6457 to multiply
6622 × 6457 = 6457 × (6622)
+ 6457 × 2 producing 12914
+ 6457 × 20 what gives us 129140
+ 6457 × 600 that is equal 3874200
+ 6457 × 6000 yielding 38742000

= 42758254
