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

Read also:

• What caused the decline of the Soprano crew?
• 31 Little Upgrades To Your Day-To-Day That Won't Sound Life-Changing…Until You Try Them - BuzzFeed
• A Year Out From the World Cup, the USMNT Looks Unprepared to Defend Home Turf - The Ringer
• Horoscope for Sunday, June 22, 2025 - Chicago Sun-Times
• You won’t believe how much each Nvidia employee is worth as the company rides the AI gold rush - The Economic Times
• Screen time and physical activity habits linked to adolescent stress and depression - PsyPost
• Tesla Stock Is Falling. Why June Is Starting With a Loss. - Barron's
• Pokémon Legends Z-A Is Now Up for Preorder on Switch and Switch 2 - IGN
• Satellite Scanning the World’s Oceans Detects Elusive Phenomena Scientists Say Had "Been Hiding in Plain Sight - The Debrief
• While emptying a house, have you ever seen something in it that blew your mind?
• James Webb Space Telescope sees 1st exoplanet raining sand alongside 'sandcastle' partner world - Space
• Red Sox rookie addresses alleged false claims about father’s background - Boston Herald
• When British people write X after everything, are they being serious or trying not to be awkward?
• There is any scientific evidence that we live in a sphere. Why do others say that we lives in a flat Earth but there is no evidence that they have proven the existence of a flat earth?