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

Read also:

• Is it very wrong to want to spend some time with husband after continuous work for 5 days in a weekend because my husband thinks if we go out every weekend what night my parents and other family members think?
• Why is my vagina swollen, it’s very itchy. I had sex we used protection, but day after it felt like my insides had a heartbeat as well as itching, the pulsing has went away but it is still itchy and my discharge is yellow, i'm 15, what could it be?
• Why are Boomers so vehemently opposed to student loan forgiveness?
• Why am I losing interest to get a job and to all my desires because of this spiritual awakening? How do I get through life because of it?
• When have you been in an accident where the other person involved blatantly lied to the police about what transpired?
• Do Marines really not need sleep during combat training or in general? If this is true, how and why is this possible?
• Where's the Civil War everyone on the left said would happen?
• Stocks to Open Flat as Trade Pact Details Awaited: Markets Wrap - Bloomberg
• What is a good tool for product analytics besides Google Analytics?
• Which is the correct Tamil New Year, Thai-1 or Chithirai-1?
• How Fast Are You Aging? Neuroscience Says These 3 Simple Tests Can Tell You - Inc.com
• Why do you write?