Alright, let's work through 5259 times 2637 step by step
5259 × 2637 = 2637 × (5259)
+ 2637 × 9 that is equal 23733
+ 2637 × 50 that is equal 131850
+ 2637 × 200 that is equal 527400
+ 2637 × 5000 that results in 13185000

= 13867983
