Alright, let's work through 3831 times 3608 step by step
3831 × 3608 = 3608 × (3831)
+ 3608 × 1 what gives us 3608
+ 3608 × 30 which equals 108240
+ 3608 × 800 that results in 2886400
+ 3608 × 3000 yielding 10824000

= 13822248
