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

Read also:

• How is sex in college like with roommates and big campuses?
• World Aquatics Takes Tough Stance on Enhanced Games - Newser
• POLL: ESPN writer stokes the flames of Lions trading for All-Pro EDGE - Pride Of Detroit
• ‘Ironheart’ EP Ryan Coogler, Star Dominique Thorne Tease Show’s Connection To Marvel’s ‘Avengers: Doomsday’: “Great Sample Of Things To Come” - Deadline
• Why do liberals think it is okay to steal votes while the rest of us obey the law(s)?
• Can I bring a tub of whey protein to the airport?
• What the ‘Revenge Tax’ Is in the Tax Bill—and How It Could Pummel the Dollar - Barron's
• Can you explain the difference between God and atma according to the Bhagavad-Gita?
• Resident Evil 9, Requiem, Announced At Summer Game Fest With Trailer And Release Date - GameSpot
• Artificial Intelligence Is Unlocking the Secrets of Black Holes - WIRED
• The AI Backlash Keeps Growing Stronger - WIRED
• This Is The Most Underrated Supplement That Actually Supports Men's Health - MindBodyGreen
• The Upsetting Truth About What Wildfire Smoke Does to Your Body - Gizmodo