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

Read also:

• Scientists discover 34 million year old hidden river world buried under 2 km of Antarctic ice - Times of India
• Meta's CTO says OpenAI's Sam Altman countered Meta's massive AI signing bonuses - Business Insider
• Scientists identify a cellular 'switch' that could reverse type 2 diabetes - Earth.com
• In the TV show Supernatural, why is God portrayed as cruel?
• My Tried and True Trick to Combine Multiple PDFs Free on Windows and Mac - CNET
• Knicks' Decision to Fire Tom Thibodeau Was Brewing For 'Months' - Sports Illustrated
• 5 Drinks to Help You Debloat, According to Dietitians - EatingWell
• Meghan Markle, Prince Harry not invited to King Charles’ Trooping the Colour for 3rd year in row - New York Post
• My cantankerous beagle is very badly behaved at the dog park and always starts barking at the other dogs. Would pepper spray be an effective method to correct his inappropriate behavior?
• Is it because Trump is impulsive that he is never on time?