Alright, let's work through 6000 times 4291 step by step
6000 × 4291 = 4291 × (6000)
+ 4291 × 0 resulting in 0
+ 4291 × 00 yielding 0
+ 4291 × 000 that equals 0
+ 4291 × 6000 resulting in 25746000

= 25746000
