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

Read also:

• NASA plans to build a giant radio telescope on the 'dark side' of the moon. Here's why. - Yahoo
• Scientists hooking flies on cocaine to study addiction: Reports - WKRN News 2
• Why would a spouse cheat if the marriage is good?
• The Secret to Living Past 100? Scientists Say It Could Be Hidden in This Small Italian Village - SciTechDaily
• Google says its updated Gemini 2.5 Pro AI model is better at coding - TechCrunch
• The Sin of Inaction: How Yates took the Giro, and UAE let it go - Escape Collective
• Nvidia, Other Chip Stocks Slide Amid Worries About US-China Trade Tensions - Investopedia
• Ryan Blaney hits right notes in Nashville, lands first Cup Series win of season - NASCAR.com
• 1st measles case of the year in South Dakota as CDC updates travel guidance - ABC News
• James Hagens’ Islanders homecoming is no longer just a pipe dream - New York Post
• Voluptate ea explicabo culpa.
• Amid tariff drama, good economic news can't catch a break - Axios
• Experts Say Doing This 1 Thing Can Lower Your Risk Of Colon Cancer — And It’s Easier Than You Think - HuffPost