Alright, let's work through 1043 times 3966 step by step
1043 × 3966 = 3966 × (1043)
+ 3966 × 3 resulting in 11898
+ 3966 × 40 that is equal 158640
+ 3966 × 000 producing 0
+ 3966 × 1000 that is equal 3966000

= 4136538
