Alright, let's work through 5625 times 5599 step by step
5625 × 5599 = 5599 × (5625)
+ 5599 × 5 resulting in 27995
+ 5599 × 20 that equals 111980
+ 5599 × 600 yielding 3359400
+ 5599 × 5000 giving us 27995000

= 31494375
