Alright, let's work through 4128 times 4238 step by step
4128 × 4238 = 4238 × (4128)
+ 4238 × 8 yielding 33904
+ 4238 × 20 resulting in 84760
+ 4238 × 100 resulting in 423800
+ 4238 × 4000 producing 16952000

= 17494464
