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

Read also:

• Why We Still Can't Find A Solar System Twin - IFLScience
• Et expedita consequatur quam et.
• Elon Musk says the Trump tariffs will cause a recession in the second half of 2025 - Forexlive | Forex News, Technical Analysis & Trading Tools
• New species of dinosaur discovered that 'rewrites' T.rex family tree - BBC
• Scoop: Treasury officials defend "revenge tax" from wary GOP senators - Axios
• I've written three books, but I haven't been able to promote them yet. What should I do?
• Famous 'ice-age puppies' are not actually dogs, according to new study - Earth.com
• Why does my iPhone keep on saying I can’t upload photos to iCloud and say it doesn't have enough iCloud storage when it still has space?
• Sky's Courtney Vandersloot tears right ACL, will miss rest of season after leaving loss to Fever early - Yahoo Sports
• Kevin Durant Reportedly Would've Put Knicks on Top Landing Spots If NY Pursued Trade - Bleacher Report
• After Losing Their Fortune to Bernie Madoff, Kevin Bacon and Kyra Sedgwick Turn It Around With Real Estate Investments - Yahoo
• Researchers Use Trapped-Ion Quantum Computer to Tackle Tricky Protein Folding Problems - The Quantum Insider
• Long, dark 'streaks' spotted on Mars aren't what scientists thought - Live Science
• Cholesterol: Daily cup of beans may lower levels, improve heart health - MedicalNewsToday
• Manufacturing PMI® at 48.5%; May 2025 Manufacturing ISM® Report On Business® - PR Newswire