Alright, let's work through 3850 times 4157 step by step
3850 × 4157 = 4157 × (3850)
+ 4157 × 0 resulting in 0
+ 4157 × 50 yielding 207850
+ 4157 × 800 yielding 3325600
+ 4157 × 3000 giving us 12471000

= 16004450
