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

Read also:

• Why would Joseph Smith say that polygamy was God's law?
• How do you say "I don't speak French yet, but I hope to speak it well one day. It would be a pleasure to learn French with you. Would you like to teach me French?" in French? Could you add audio?
• Unrecognizable Kayla Harrison speaks on making 135lbs for first time in career at UFC 316 - Bloody Elbow
• Staying in This Place Too Long Could Change How You Age, Scientists Say - The Daily Galaxy
• Why does my mother care about my sister more than me?
• What is the reason behind some people wearing trunks instead of speedos when swimming in pools?
• Incredible 'black smokers' discovered in a part of the deep ocean where they should not exist - Earth.com
• Is a man over 50 not married no kids a red flag?
• My boyfriend won’t tell me his past and it hurts me so I broke up with him what do I do?
• Traders Scour for ‘Elusive’ Catalyst to Push S&P 500 to Record - Bloomberg
• Where can Ukrainians go if they cannot have shelter and heating this winter?
• Why can't ugly women date hot guys? I know a woman who wants a hot BF but people would just laugh at her and ask her "what can you bring to the table for him?", isn't that messed up?