Alright, let's work through 4280 times 6278 step by step
4280 × 6278 = 6278 × (4280)
+ 6278 × 0 yielding 0
+ 6278 × 80 that equals 502240
+ 6278 × 200 that is equal 1255600
+ 6278 × 4000 that results in 25112000

= 26869840
