Alright, let's work through 6622 times 4511 step by step
6622 × 4511 = 4511 × (6622)
+ 4511 × 2 yielding 9022
+ 4511 × 20 that equals 90220
+ 4511 × 600 producing 2706600
+ 4511 × 6000 yielding 27066000

= 29871842
