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

Read also:

• What do you CPAP users do to keep your mouth closed during sleep using a nasal pillow?
• 'There's a huge amount that we don't understand': Why sperm is still so mysterious - BBC
• How should you handle a situation where your friend tells you they like someone who also likes you? Should you tell them or continue as normal?
• Win a signed pink cycling jersey of Giro winner Simon Yates - Team Visma
• Trump budget kills NASA’s golden opportunity to see a killer asteroid up close - Ars Technica
• Nemo harum distinctio cupiditate soluta nesciunt beatae harum.
• Atheists claim that Earth is 10 billion years old, yet there are no fossils that old. What do you have to say for yourselves for lying?
• Katie Thurston admits Ananda Lewis’ death left her ‘spiraling’ as she battles Stage 4 breast cancer - New York Post
• What is the best editor base on AI for developers?
• A 35-year-old Florida man booked more than 120 free flights by posing as a flight attendant - Fortune
• Real-World GLP-1 Weight-Loss Results Differ From Trials - Medscape
• Can anyone show a photo with a penis in their anus?
• Stopping alcoholism gets smarter with smartwatches - The Brighter Side of News
• Jim Cramer says these hot new stocks are ones to watch - TheStreet