Alright, let's work through 2860 times 5858 step by step
2860 × 5858 = 5858 × (2860)
+ 5858 × 0 what gives us 0
+ 5858 × 60 giving us 351480
+ 5858 × 800 yielding 4686400
+ 5858 × 2000 producing 11716000

= 16753880
