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

Read also:

• Why are people becoming increasingly hostile to pro-lifers? I am pro-life.
• South Korea halts propaganda broadcasts along border with rival North in a move to ease tensions - AP News
• What disturbed you today?
• Is OnlyFans good or bad for the society? Why?
• How likely is it to make a living out of being a window cleaner in a Nordic country?
• Why do you think it is bad to allow people to self-identify as a different gender?
• Do you agree with the characterization of Trump's trial as a "modern day Salem witch trial"? Why or why not?
• What are the consequences of being addicted to something? Is it considered wrong to have an addiction?
• Some men love anal sex more than vaginal sex. Why?
• What are some examples of the use of the word “piacere” in Italian? What do they mean and how would you translate them into English?