Alright, let's work through 4209 times 9072 step by step
4209 × 9072 = 9072 × (4209)
+ 9072 × 9 what gives us 81648
+ 9072 × 00 yielding 0
+ 9072 × 200 that results in 1814400
+ 9072 × 4000 producing 36288000

= 38184048
