Alright, let's work through 3861 times 5373 step by step
3861 × 5373 = 5373 × (3861)
+ 5373 × 1 which equals 5373
+ 5373 × 60 yielding 322380
+ 5373 × 800 that equals 4298400
+ 5373 × 3000 resulting in 16119000

= 20745153
