Alright, let's work through 4063 times 3878 step by step
4063 × 3878 = 3878 × (4063)
+ 3878 × 3 yielding 11634
+ 3878 × 60 which equals 232680
+ 3878 × 000 that results in 0
+ 3878 × 4000 what gives us 15512000

= 15756314
