Alright, let's work through 4536 times 4007 step by step
4536 × 4007 = 4007 × (4536)
+ 4007 × 6 producing 24042
+ 4007 × 30 which equals 120210
+ 4007 × 500 yielding 2003500
+ 4007 × 4000 what gives us 16028000

= 18175752
