Alright, let's work through 4509 times 5445 step by step
4509 × 5445 = 5445 × (4509)
+ 5445 × 9 resulting in 49005
+ 5445 × 00 what gives us 0
+ 5445 × 500 giving us 2722500
+ 5445 × 4000 that equals 21780000

= 24551505
