Alright, let's work through 3960 times 6190 step by step
3960 × 6190 = 6190 × (3960)
+ 6190 × 0 that results in 0
+ 6190 × 60 producing 371400
+ 6190 × 900 yielding 5571000
+ 6190 × 3000 giving us 18570000

= 24512400
