Alright, let's work through 5142 times 4858 step by step
5142 × 4858 = 4858 × (5142)
+ 4858 × 2 what gives us 9716
+ 4858 × 40 yielding 194320
+ 4858 × 100 that results in 485800
+ 4858 × 5000 yielding 24290000

= 24979836
