Alright, let's work through 9942 times 5858 step by step
9942 × 5858 = 5858 × (9942)
+ 5858 × 2 yielding 11716
+ 5858 × 40 which equals 234320
+ 5858 × 900 giving us 5272200
+ 5858 × 9000 producing 52722000

= 58240236
