Alright, let's work through 4999 times 4678 step by step
4999 × 4678 = 4678 × (4999)
+ 4678 × 9 producing 42102
+ 4678 × 90 producing 421020
+ 4678 × 900 yielding 4210200
+ 4678 × 4000 resulting in 18712000

= 23385322
