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

Read also:

• Is the water safe to drink in England like here in America or is it necessary to bring tablets to prevent any cholera when in London?
• How would you describe modern day Russian society, beyond just politics?
• Why are white women not interested in dating Asian men? Are they not attractive to you at all?
• How do we greet in German, French, Spanish, and Italian?
• Do you have any opinion on Japanese writer/actor Yukio Mishima?
• Feather-legged lace weaver spider kills prey by covering it with toxic silk - Phys.org
• How can someone get patrons on Patreon if they are a beginner artist?
• What are some dirty secrets of Indian (Bollywood, etc.) actors and actresses?
• Why does my girlfriend keep asking me if I love her?
• What does success really mean to you? Is it about happiness, money, or something else?
• It’s been over a month since I stopped taking sertraline but why do I still feel side effects like brain zaps and anxiety mood changes? The root cause of anxiety it’s your thinking and I perfectly master that better than before so it’s hard lately.
• Why do so many people suddenly think it's acceptable to continue to live with their parents into adulthood?
• If a non-LGBT man (of any age) from a Western country attracts far more mosquitoes than potential dates, what does that say about him?
• For an unpublished short story writer, what magazines or online publications offer the best chance of being recognized?
• Common blood pressure drug slows aging and boosts lifespan, even in older animals - Earth.com