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

Read also:

• These are the best new MacBook deals in June: options starting at $649 - 9to5Mac
• Analysts Look to Tesla’s Robotaxi Launch After Stock Hit From Musk-Trump Spat - Investopedia
• Ryan Lochte’s wife Kayla reveals ‘painful’ divorce after seven years of marriage - New York Post
• What is treasury?
• Millions of Eggs Recalled After CDC Ties Them to a Massive Salmonella Outbreak Across 9 States - Food & Wine
• EA's cancelled Black Panther game would have featured an evolved take on Shadow of Mordor's Nemesis System - Eurogamer
• 8 Products That Skin Experts Say Can Slow Collagen Loss - Vogue
• Why would my nipples hurt when I touch them?
• According to Trump, Ukraine started the war. Why?
• Is it possible for humans to determine their past life as an animal? Is there a scientific method to prove this?
• Why is that Hag Hillary Clinton so quiet these days? She is the dog that isn't barking
• macOS Tahoe Name Leaked Ahead of Apple's WWDC Event Next Week - MacRumors
• What are the differences between INFJ-T and INFJ A?
• First-ever airborne toxin detected in Western Hemisphere - Phys.org