Alright, let's work through 3947 times 3862 step by step
3947 × 3862 = 3862 × (3947)
+ 3862 × 7 what gives us 27034
+ 3862 × 40 giving us 154480
+ 3862 × 900 resulting in 3475800
+ 3862 × 3000 which equals 11586000

= 15243314
