Alright, let's work through 4019 times 2638 step by step
4019 × 2638 = 2638 × (4019)
+ 2638 × 9 that results in 23742
+ 2638 × 10 that results in 26380
+ 2638 × 000 which equals 0
+ 2638 × 4000 which equals 10552000

= 10602122
