Alright, let's work through 4224 times 3890 step by step
4224 × 3890 = 3890 × (4224)
+ 3890 × 4 that is equal 15560
+ 3890 × 20 which equals 77800
+ 3890 × 200 that equals 778000
+ 3890 × 4000 producing 15560000

= 16431360
