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

Read also:

• 'Look At That! Come On!': White Sox Announcer Incensed Over Benches-Clearing Rundown - Sports Illustrated
• Mets’ need their all-time lost opportunity to be a Dodgers aberration - New York Post
• Why don't younger men like older women?
• Global pandemic warning: Aspergillus deadly fungus mirrors HBO’s ‘The Last of Us’ - Times of India
• Why do liberals and Democrats think it’s “ironic” for Donald Trump to say “We have to get back to law and order”?
• Why do flat earthers delete their answers after being proven wrong? Are they just being ignorant and arrogant?
• What are the most common signs that a partner will cheat before it happens?
• Whenever I write a novel, I struggle with the end, should I make it open? Should the good win or the bad win? Sometime I don't even have an ending, what should I do?
• Can being annoyed be a sign of getting angry?
• ‘Cheers’ star George Wendt’s cause of death confirmed - New York Daily News
• FAA Says Newark Airport Should Be OK by October - Newser
• Trump, DOJ threaten Calif. with legal action, fines after trans athlete’s win - The Washington Post
• Where is best free porn?
• How to watch Arkansas vs. Creighton Game 2 channel stream, game time - 247Sports
• Are there any men who have sex with male dogs?