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

Read also:

• Five Observations from Bayern Munich’s dominant 10-0 win over Auckland City - Bavarian Football Works
• Exclusive Trump interview: A big steel deal for Pennsylvania - Washington Examiner
• What are the most popular recruiting tools in the US?
• Who is the most trusted person in your life, and do they have the same trust on you?
• What topics are okay with you in comics and what topics should be totally off the table?
• Quantum embezzlement is hiding in known one-dimensional materials: Study - Interesting Engineering
• Big crowds gather in Hungarian capital to defy ban on Budapest Pride - CNN
• States Are Making It Easier to Get Ivermectin - Newser
• Bristol Myers Joins Race for New Class of Cancer Drugs With BioNTech Deal - Barron's
• First Map Made of a Solid’s Secret Quantum Geometry - quantamagazine.org
• Utah woman loses 100 pounds in one year: Here's how - KSL.com