Alright, let's work through 4228 times 3897 step by step
4228 × 3897 = 3897 × (4228)
+ 3897 × 8 that equals 31176
+ 3897 × 20 that results in 77940
+ 3897 × 200 yielding 779400
+ 3897 × 4000 resulting in 15588000

= 16476516
