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

Read also:

• Solar Storms Are Pushing Elon Musk’s Satellites Back to Earth - Gizmodo
• Is it possible to make cars that run on water instead of gasoline or other fossil fuels? Why haven't we done so yet?
• Do *Not* Click This Post If You’re Squeamish: 17 Personal Care Products With Gnarly Before And After Photos - BuzzFeed
• Is there a musician who has publicly stated that they do not want their music played by the Trump campaign or at a Trump rally? If so, who and why?
• The Trump-Musk feud has been great for X, which jumped up the App Store charts - TechCrunch
• Reggie Miller Had Such a Fired-Up Reaction to Tyrese Haliburton's Game-Winning Shot - Sports Illustrated
• Why do people mourn when their leaders lose elections? Is it common for people to cry over events that are out of their control?
• Are cold plunges good for you? Here’s what the science says. - The Washington Post
• What is your age now, and what age do you prefer to stay at forever?
• 36 Wildly Entitled People From This Month Who Might As Well Have Just Screamed "It's All About ME!" - BuzzFeed
• ILL Is A Survival Horror Game Made By People Who Worked On Longlegs, IT, V/H/S/Beyond, And More - Game Informer