Alright, let's work through 4887 times 5809 step by step
4887 × 5809 = 5809 × (4887)
+ 5809 × 7 resulting in 40663
+ 5809 × 80 resulting in 464720
+ 5809 × 800 what gives us 4647200
+ 5809 × 4000 that is equal 23236000

= 28388583
