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

Read also:

• Why did Microsoft acquire LinkedIn?
• Putin's uncompromising demands emerge after the latest round of Russia-Ukraine peace talks - AP News
• Massive Dinosaur ‘Dance-Off’ Arena Discovered in Colorado - The Daily Galaxy
• One Of The Rarest Video Games Ever Has Been Preserved Online - GameSpot
• Musk rails against Trump tax bill, calling it ‘a disgusting abomination’ - The Washington Post
• Japanese Scientists Develop Artificial Blood Compatible With All Blood Types - Tokyo Weekender
• Why do people have trouble accepting the very true fact that "The Blue Marble" photo of Earth is a composite and therefore (just like every other subsequent "picture" of Earth NASA has ever shown us) not a real photo but computer generated?
• What kind of lights would you like to use for your home decor?
• I worked at 23andMe during its collapse. Here’s what the next consumer-genomics giant needs to understand - statnews.com
• What are some signs that someone may be being stalked by an organization or secret society? How can they find out for sure?
• Kristin Davis Set The Record Straight On Whether She Dated Chris Noth - BuzzFeed
• Trump travel ban rattles immigrant communities across U.S. - The Washington Post
• Scientists Have Figured Out Exactly How Much Time Drinking Takes Off Your Life - AOL.com
• Market's Slide Broadens in Afternoon Trading - Barron's