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

Read also:

• Redefining physics to roll a ball vertically - Phys.org
• Amazon launches new R&D group focused on agentic AI and robotics - TechCrunch
• UN calls for investigation into killings near Gaza aid site - BBC
• China tightens ‘whole-chain’ control on critical minerals amid US pressures - South China Morning Post
• Kohler's $51M Arizona award terminated by Department of Energy - ABC15 Arizona
• Why do many modern Hollywood films rely heavily on CGI and visual effects instead of actual sets? What is your opinion on this trend?
• Why do I get bored with porn so quickly? I can watch maybe half a video (5 mins max) and then get bored and do something else. I don't watch porn often, just a teenager. 17.
• Nelly Korda makes seven birdies, storms up the leaderboard in Round 2 of U.S. Women's Open - NBC Sports
• Satellite Scanning the World’s Oceans Detects Elusive Phenomena Scientists Say Had "Been Hiding in Plain Sight - The Debrief
• What does K mean in Vietnamese?
• Physicists force atoms into state of quantum 'hyper-entanglement' using tweezers made of laser light - Live Science
• Galerie David Guiraud : Deep Space & Celestial Objects - The Eye of Photography
• India to Open Flagship EV Making Policy to Lure Global Giants - Bloomberg
• Neurosteroids identified as potential therapy for treatment-resistant depression - Medical Xpress
• What To Expect in the Markets This Week - Investopedia