We're going to solve 3968 multiplied by 4005
3968 × 4005 = 4005 × (3968)
+ 4005 × 8 yielding 32040
+ 4005 × 60 giving us 240300
+ 4005 × 900 which equals 3604500
+ 4005 × 3000 which equals 12015000

= 15891840
