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

Read also:

• Scientists Just Found an Ingredient for Life in a Newborn Planet System - The Daily Galaxy
• Is it wrong for me, a 14-year-old girl, to read dark romance?
• Have you experimented with bestiality?
• At Chicago baseball stadium, Pope Leo makes his first pitch to America - The Washington Post
• Season 3 Perfect Parry change has big implications for C. Viper in Street Fighter 6 - EventHubs
• How can I get a girlfriend? I am 26.
• Why did my ex-narcissist move so fast with his new supply marriage engagement moving in, etc.?
• Dollar Tree raises red flag about unexpected customer behavior - TheStreet
• Is it wrong of me to feel uncomfortable that my friend thinks my brother is hot?
• What are the best self-care practices to improve mental health?
• What are the most shocking facts about the Bollywood industry?
• Would the word literate carry the same meaning with public (common wealth) in 1900 vs today 2020?