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

Read also:

• Stock Market Today: Dow up over 200 points, S&P 500 and Nasdaq back in positive territory as oil drops after Iran launches missiles at U.S. base in Qatar - MarketWatch
• Scientists stunned as underwater volcano unleashes over a million giant eggs - Glass Almanac
• Here’s why exercise is so important if you’re a cancer survivor - The Washington Post
• Outer Worlds 2 Is Xbox's First $80 Video Game - Kotaku
• Can I use Amazon Alexa Claude AI on my Echo device?
• Cave art discovery depicts an animal that went extinct 280-million-years ago, baffling scientists - Earth.com
• What sexual experience did you have at a highway rest area?
• Harvard gastroenterologist shares 4 bloat-busting tricks that actually work - Times of India
• Frequent Nightmares Linked to Faster Aging and Premature Death - Gizmodo
• 16 billion passwords leaked across Apple, Google, more: What to know and how to protect yourself - ZDNet
• 'Real Housewives' Exec Dies During Childbirth and Stars Are Showing Support - AOL.com
• NASA Hides The Emmy It Just Won (Update) - NASA Watch
• Why does my intimate area “sweat” and smell so much? I almost have to have a shower everyday. How do I get rid of this?