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

Read also:

• Is there a possibility that we are living in a simulation and that there is a concept of rebirth?
• How old is planet Earth? Is it 4.5 billion years old or 6,000 years old?
• Why do liberals and Democrats think it’s “ironic” for Donald Trump to say “We have to get back to law and order”?
• Would the word literate carry the same meaning with public (common wealth) in 1900 vs today 2020?
• What is the reason that Worcester, Massachusetts is not as well-known as Boston and Springfield, even though it is a large city with many neighborhoods?
• Why is there a "double standard" applied to sex between a dog and a human? Why is it that to many who are at least mildly okay with bestiality, a WOMAN having sex with a male dog is fine, but a guy with a female dog is not?
• These Diabetes Drugs Are Finding New Life as an Antiaging Hack - WSJ
• What are some of your favorite hip hop lyrics?
• The Roman Empire at the time of Christ kept meticulous records. Why then, is there no record of the trial of Jesus?
• What melts your heart every time without fail?
• What happens to adults with Down syndrome when their parents can't look after them any more?
• How did Nickelback gain a large fan base despite criticism of their music?