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

Read also:

• What is the best music album of all time?
• Geothermal Energy Has A New, 163-Gigawatt Message For Fossil Fuels - CleanTechnica
• What would you do if you found out that someone had broken into your home while you were sleeping?
• Methane-eating sea spiders discovered off Southern California coast - SFGATE
• NASA and India to Launch a $1.5 Billion Revolutionary Satellite That Will Change Earth Observation Forever! - The Daily Galaxy
• What baseball stories from the early days of the sport seem too bizarre to be true?
• Do you think the beginning of movies is often better than the rest of the film? Is this a common opinion or do others share this view?
• Why is the internet so restrictive? Why is it impossible to find a place where you can express yourself fully?
• What steps have you taken to stop being a targeted individual by gang stalkers? What has worked, what would you have done differently?
• Why do flat Earthers exist? Why can’t I see the Sun at night? Is it because Earth is not flat?