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

Read also:

• Ask Ethan: What would the Universe be like without dark matter? - Big Think
• Has Trump fooled Canadian PM Carney by pretending to negotiate and suddenly doubling steel tariffs to 50%?
• Is it true that Jehovah's witnesses once thought the world would end in 1975?
• I worked at 23andMe during its collapse. Here’s what the next consumer-genomics giant needs to understand - statnews.com
• We've Finally Seen The Skyscraper Tsunami That Shook Earth For 9 Days - ScienceAlert
• Pediatric flu deaths surge in Michigan: 'These are children' - The Detroit News
• Trump's sons distance themselves from new Trump-branded crypto venture - ABC News
• Why is it common for guys to sleep with 10-20 women then marry a good girl?
• How do I get rid of a cold in 1 day?
• Gov. Abbott activates state emergency resources ahead of anticipated severe weather - Click2Houston
• Trump says 'it's possible' US gets involved in Israel-Iran conflict - ABC News
• New Videos Show How Fantasy Life i Has Been Beefed Up On Switch 2 - Nintendo Life
• The President Is Dead (In Helldivers 2) - Kotaku
• California doctor to plead guilty to supplying Matthew Perry with ketamine - BBC