Alright, let's work through 4224 times 9215 step by step
4224 × 9215 = 9215 × (4224)
+ 9215 × 4 yielding 36860
+ 9215 × 20 what gives us 184300
+ 9215 × 200 producing 1843000
+ 9215 × 4000 what gives us 36860000

= 38924160
