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

Read also:

• This hidden Android feature was a lifesaver when my home internet died — here's how it works - Tom's Guide
• Change Your Gmail Password Now, Google Tells 2 Billion Users - Forbes
• 'Hertz Would Never:' Man Gets Pulled Over In a Rental. Then He Reaches For the Enterprise Car’s Registration - Motor1.com
• What was your most memorable experience catching a fraudulent car seller?
• Bats don't get cancer, now scientists think they know the reason - Earth.com
• Al Pacino Meets Pope Leo XIV, Becoming First Movie Star to Get an Audience With American Pontiff - The Hollywood Reporter
• What's an underrated/unknown novel or series that you think deserves more attention?
• Are there any examples of outdated values in the Bible?
• In my experience, British people are fat, ugly and arrogant. Why is it and can it be changed?
• Where's the Civil War everyone on the left said would happen?
• What is the sluttiest thing your wife has ever done?
• Advice for trying GLP-1 drugs for weight loss from a doctor who's been there - NPR
• 'Housewives' Exec Assistant and Mom of 2 Dies 'Moments After Giving Birth' to Son - TODAY.com