Alright, let's work through 3861 times 9807 step by step
3861 × 9807 = 9807 × (3861)
+ 9807 × 1 that equals 9807
+ 9807 × 60 giving us 588420
+ 9807 × 800 giving us 7845600
+ 9807 × 3000 that is equal 29421000

= 37864827
