Alright, let's work through 4890 times 5860 step by step
4890 × 5860 = 5860 × (4890)
+ 5860 × 0 what gives us 0
+ 5860 × 90 giving us 527400
+ 5860 × 800 what gives us 4688000
+ 5860 × 4000 giving us 23440000

= 28655400
