Alright, let's work through 3933 times 4006 step by step
3933 × 4006 = 4006 × (3933)
+ 4006 × 3 that is equal 12018
+ 4006 × 30 giving us 120180
+ 4006 × 900 that results in 3605400
+ 4006 × 3000 yielding 12018000

= 15755598
