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

Read also:

• How can the citizens of Russia accept the enormous difference between people? The richest 500 Russians own more than the poorest 99.8% of the entire Russian population combined. Why don't we see any protests?
• What should I do to stop being angered easily?
• Scientists stunned as underwater volcano unleashes over a million giant eggs - Glass Almanac
• Rory McIlroy explains frequently skipping media availability: ‘I feel I have earned the right to do whatever I want’ - Awful Announcing
• Does any other guys get turned on by dick pic makes you lick lips because you what to suck?
• Is it possible to permanently quit pornography?
• Is it possible for people who claim to be genuine and honest to actually not be? If so, why do they behave this way?
• How can one learn to talk frankly?
• Does CloudFlare protect blackhat sites from DDOS attacks?
• Researchers Use Trapped-Ion Quantum Computer to Tackle Tricky Protein Folding Problems - The Quantum Insider
• Is it necessary for people to wear towels while showering at gyms? If so, what are some ways to prevent the towel from slipping off and exposing oneself?
• Scientists Identify Hidden Rule That Shapes All Life on Earth - SciTechDaily
• Why does my vagina and around my butthole itch? I don't have weird discharge and I'm still a virgin.
• Why do men prefer women below the age of 30?
• The #1 Herb for Better Gut Health, According to Dietitians - EatingWell