Alright, let's work through 1622 times 4521 step by step
1622 × 4521 = 4521 × (1622)
+ 4521 × 2 yielding 9042
+ 4521 × 20 producing 90420
+ 4521 × 600 which equals 2712600
+ 4521 × 1000 that results in 4521000

= 7333062
