Alright, let's work through 5605 times 4089 step by step
5605 × 4089 = 4089 × (5605)
+ 4089 × 5 yielding 20445
+ 4089 × 00 that results in 0
+ 4089 × 600 that equals 2453400
+ 4089 × 5000 producing 20445000

= 22918845
