Alright, let's work through 4225 times 3851 step by step
4225 × 3851 = 3851 × (4225)
+ 3851 × 5 producing 19255
+ 3851 × 20 what gives us 77020
+ 3851 × 200 yielding 770200
+ 3851 × 4000 resulting in 15404000

= 16270475
