Alright, let's work through 1622 times 7665 step by step
1622 × 7665 = 7665 × (1622)
+ 7665 × 2 that results in 15330
+ 7665 × 20 resulting in 153300
+ 7665 × 600 that is equal 4599000
+ 7665 × 1000 producing 7665000

= 12432630
