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

Read also:

• Chevy Corvette ZR1 Cleanly Smokes Ferrari And Lamborghini In A Race - CarBuzz
• US Steel Sale to Nippon Steel Poised To Close After Trump Deal - Bloomberg.com
• This moon in the solar system continues to surprise scientists with the discovery of alternating water forms on its surface. - Farmingdale Observer
• Something Big Is Twisting Mercury’s Crust - Gizmodo
• Pokemon Scarlet And Violet's Free Switch 2 Update Is Now Live - GameSpot
• What is the science behind red light therapy?
• Do you think the TikTok controversy played a role in ByteDance's plan to spend over $12 billion on AI in 2025?
• Librarians breathe easy as tool spots toxic book pigment - The Times
• Trans athlete embraced as California track and field champion by peers while adult activists duel - San Francisco Chronicle
• Caitlyn Jenner’s Israel Pride Parade Visit Disrupted by Iran War Breakout - The Hollywood Reporter