Alright, let's work through 5109 times 4389 step by step
5109 × 4389 = 4389 × (5109)
+ 4389 × 9 giving us 39501
+ 4389 × 00 resulting in 0
+ 4389 × 100 that results in 438900
+ 4389 × 5000 resulting in 21945000

= 22423401
