What is the sum of X+XX+XXX+XXXX?

Read also:

• I worked at 23andMe during its collapse. Here’s what the next consumer-genomics giant needs to understand - statnews.com
• How would you describe modern day Russian society, beyond just politics?
• Joe Biden is not the best president we had. That would be John F. Kennedy. How is voting for Donald Trump any worse than voting for Joe Biden?
• What can I do when I'm ugly on both outside and inside? What do I do? Cut myself off from the world to make everyones lives better? I'm a monster. I hurt feelings, and I say what was said to me. I feel like I'm nothing but a burden. What do I do?
• Sean “Diddy” Combs Demands Sex-Trafficking Trial Be Tossed Out Over “Prosecutorial Misconduct” - Deadline
• Mysterious sphere named Teleios found floating in the Milky Way - Earth.com
• Our planet’s oxygen levels will drop, and there’s no way to stop it - Boy Genius Report
• What were some things that the ancient Greeks excelled at compared to the Romans?
• Why did I move on so fast from a relationship that was my whole life and I was so attached, I moved on by 2 months?
• Review: At $349, AMD’s 16GB Radeon RX 9060 XT is the new midrange GPU to beat - Ars Technica
• What are the basic human needs according to psychology? What are the consequences of not meeting these needs?