can someone explain this formula to me like im a 10 year old https://cdn.discordapp.com/attachments/1211484481848873020/1329121520215392288/Screenshot_2025-01-15_at_11.14.01_AM.png?ex=67893060&is=6787dee0&hm=0f77042454d718f4adfd7e4c41f3db343f4ab5508177691d6ab750221a64c730&