Alright, let's work through 3966 times 5029 step by step
3966 × 5029 = 5029 × (3966)
+ 5029 × 6 giving us 30174
+ 5029 × 60 that results in 301740
+ 5029 × 900 resulting in 4526100
+ 5029 × 3000 producing 15087000

= 19945014
