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

Read also:

• What’s the worst thing you caught anyone in your family doing?
• Is Veuve Clicquot Brut a good champagne?
• What trains transport cars and passengers near Pompano Beach, Florida that goes to New York?
• ˗ˋˏ ♡ ˎˊ˗ NEW WOMAN - analysis ˗ˋˏ ♡ ˎˊ˗
• Why isn't the FBI raiding all Silicon Valley companies like Facebook, Twitter, Instagram, WhatsApp, TikTok, Reddit, Google, Yahoo, YouTube, Disqus, Wikipedia for censoring the World through their Ban cartel violating the constitution freespeech laws?
• What shocking family behavior did you read about in India?
• It is day 42 of the Trump administration. Is the war in Ukraine over? Is inflation solved? Are groceries cheaper?
• What do you think hell is like?
• Where are the gay people in India?
• What did your sister do to you that you can never forget?
• Appendix Cancer Rates Climb Among Millennials and Gen X - Newser
• The people who are 'allergic' to humans - BBC
• Are there any guys, crossdressers, or transgender girls here who wear tampons?
• Do Republicans give permission to Democrats to vote for any candidate except for Kamala Harris?
• What pet would you strongly not recommend?