Alright, let's work through 3866 times 1337 step by step
3866 × 1337 = 1337 × (3866)
+ 1337 × 6 that equals 8022
+ 1337 × 60 that equals 80220
+ 1337 × 800 that is equal 1069600
+ 1337 × 3000 what gives us 4011000

= 5168842
