Alright, let's work through 4858 times 4891 step by step
4858 × 4891 = 4891 × (4858)
+ 4891 × 8 that results in 39128
+ 4891 × 50 giving us 244550
+ 4891 × 800 what gives us 3912800
+ 4891 × 4000 producing 19564000

= 23760478
