Alright, let's work through 3862 times 3150 step by step
3862 × 3150 = 3150 × (3862)
+ 3150 × 2 resulting in 6300
+ 3150 × 60 producing 189000
+ 3150 × 800 yielding 2520000
+ 3150 × 3000 that is equal 9450000

= 12165300
