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

Read also:

• Why do boobs of some girls bounce when they walk?
• He said he loves me, but why is it difficult for him to leave his wife?
• 2 fans die and an officer is in a coma after Champions League celebrations in France - NBC News
• Person arrested after security threat at Sea-Tac, flights halted - MyNorthwest.com
• The solar system as we know it may change forever - Notebookcheck
• What does it mean if you dream your dad died?
• How do you have intercourse with a girl who can remember you for a long time?
• Doctors Say You Might Be Eating Way Too Much Salt — Here’s How To Tell - BuzzFeed
• What is your most intimate experience with your best friend?
• Complete Guide to Panthers Stanley Cup Championship Parade - Florida Hockey Now