Marinada '23

[lang=hr] Odredi $$\sum_{n=0}^\infty (n+1)\left(\frac{2023}{2024}\right)^n.$$ [/lang] [lang=en] Find the sum $$\sum_{n=0}^\infty (n+1)\left(\frac{2023}{2024}\right)^n.$$ [/lang]