Alright, let's work through 4278 times 257 step by step
4278 × 257 = 257 × (4278)
+ 257 × 8 resulting in 2056
+ 257 × 70 that equals 17990
+ 257 × 200 that results in 51400
+ 257 × 4000 producing 1028000

= 1099446
