We're going to solve 4503 multiplied by 4005
4503 × 4005 = 4005 × (4503)
+ 4005 × 3 that equals 12015
+ 4005 × 00 yielding 0
+ 4005 × 500 which equals 2002500
+ 4005 × 4000 which equals 16020000

= 18034515
