Alright, let's work through 3881 times 1047 step by step
3881 × 1047 = 1047 × (3881)
+ 1047 × 1 resulting in 1047
+ 1047 × 80 producing 83760
+ 1047 × 800 giving us 837600
+ 1047 × 3000 resulting in 3141000

= 4063407
