Alright, let's work through 4075 times 9993 step by step
4075 × 9993 = 9993 × (4075)
+ 9993 × 5 producing 49965
+ 9993 × 70 producing 699510
+ 9993 × 000 what gives us 0
+ 9993 × 4000 what gives us 39972000

= 40721475
