Alright, let's work through 4224 times 9340 step by step
4224 × 9340 = 9340 × (4224)
+ 9340 × 4 which equals 37360
+ 9340 × 20 which equals 186800
+ 9340 × 200 producing 1868000
+ 9340 × 4000 yielding 37360000

= 39452160
