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

Read also:

• Does CloudFlare protect blackhat sites from DDOS attacks?
• Why do some women squirt and some don't?
• How do you feel cockroach?
• What's a memory from your childhood that shaped who you are today?
• Something Mysterious Is Hidden Deep Beneath the Pacific Ocean, and Scientists Can’t Explain It - The Daily Galaxy
• Why do some children hate their parents?
• Are Indian youths conservative or liberal?
• If you believe in God, do you think God can save you from cancer?
• Is it possible to permanently quit pornography?
• What do most wives fantasize about?