Alright, let's work through 7221 times 7509 step by step
7221 × 7509 = 7509 × (7221)
+ 7509 × 1 which equals 7509
+ 7509 × 20 that equals 150180
+ 7509 × 200 yielding 1501800
+ 7509 × 7000 resulting in 52563000

= 54222489
