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

Read also:

• Short story writers, what is your favorite character you've created and do they appear in more than one of your works?
• 10 Best RPGs With Near Flawless Steam User Review Scores - DualShockers
• A tumultuous week in Los Angeles illustrates the human toll of the Trump administration’s more aggressive immigration crackdown - CNN
• How do you get people to follow your Quora Space?
• Which is the most liked web series in India?
• A kid threw a stone at my car. I confronted his mom (who was nearby). She said, "You can't prove it was my son." How should I have reacted?
• Should Pete Rose's record as the all-time hits leader be recognized and celebrated?
• If the world was flat, would it be possible to see Mount Everest if it was on the other side of the Earth on a clear sunny day?
• Hunter Dobbins Has Last Laugh In War Of Words With Yankees - NESN
• Why do people keep saying they have evidence and have presented it that proves you're wrong even though they have none and haven't presented anything? Furthermore, what do they think you're wrong about?
• King Charles Shares Super Rare Photo With Late Father Prince Philip - AOL.com
• How can the democrats say Mr. Trump is bad when he is already fixing this country again and he's not even president yet?
• What would you change in the "Game of Thrones" storyline if you were one of the writers of the TV series?