Alright, let's work through 2159 times 8037 step by step
2159 × 8037 = 8037 × (2159)
+ 8037 × 9 resulting in 72333
+ 8037 × 50 giving us 401850
+ 8037 × 100 that results in 803700
+ 8037 × 2000 producing 16074000

= 17351883
