Alright, let's work through 3881 times 1100 step by step
3881 × 1100 = 1100 × (3881)
+ 1100 × 1 that is equal 1100
+ 1100 × 80 resulting in 88000
+ 1100 × 800 that results in 880000
+ 1100 × 3000 which equals 3300000

= 4269100
