Alright, let's work through 3830 times 4001 step by step
3830 × 4001 = 4001 × (3830)
+ 4001 × 0 resulting in 0
+ 4001 × 30 that results in 120030
+ 4001 × 800 what gives us 3200800
+ 4001 × 3000 producing 12003000

= 15323830
