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

Read also:

• If everyone in Russia dropped into holes in the ground only never to return, would that be good for NATO and international peacekeepers? Can we convince Russians to be less diabolical, so they coexist? Does Putin stink like doo doo in the commode?
• Why am I so unproductive when it's a holiday the next day?
• How do I complain on a boy coming to marriage with me without my involvement despite no connection with him though he had an illegal affair?
• How can a native English speaker say "it was nice talking to you" in French without using that exact phrase?
• HIV Drugs Linked to Lower Alzheimer’s Risk - Neuroscience News
• EA's cancelled Black Panther game would have featured an evolved take on Shadow of Mordor's Nemesis System - Eurogamer
• How is the story of Rukmini Devi described in the Harivamsha, Rukminisha Vijaya and Shrimad Bhagavatam?
• China fast tracks rare earth export licences for European companies - Financial Times
• Do all you people that took the "jab" feel lied to yet?
• Why am I so tired of the keto diet?
• 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?
• There’s a Fascinating Hidden Reason That So Many High-Earning Tech Workers Are Getting Laid Off Now - futurism.com
• What could be the result if I block a covert narc back after he said blocks were going back up, maybe we try this again?