Alright, let's work through 5760 times 3993 step by step
5760 × 3993 = 3993 × (5760)
+ 3993 × 0 resulting in 0
+ 3993 × 60 producing 239580
+ 3993 × 700 that is equal 2795100
+ 3993 × 5000 giving us 19965000

= 22999680
