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

Read also:

• UFC 316 results: Kayla Harrison finishes Julianna Peña, squares off with Amanda Nunes - MMA Junkie
• Poland election: Conservative historian Nawrocki wins presidential vote - BBC
• If Donald Trump is so evil and Joe Biden is so good why is Trump the one selflessly providing Bibles for the needy while Biden doesn't? Why doesn't Biden care for America's spiritually needy people as much as Trump?
• Logitech’s new iPad case has a compact removable wireless keyboard - The Verge
• Astronomers discover the largest 'ultramassive' black hole ever seen - Earth.com
• Resilience spacecraft’s status after moon-landing attempt is unknown - CNN
• Should Pete Rose's record as the all-time hits leader be recognized and celebrated?
• 16 billion passwords leaked across Apple, Google, more: What to know and how to protect yourself - ZDNet
• "Oh, Mary!" star Cole Escola manifested their Tony win the old-fashioned way - Salon.com
• Harvard study warns: Common napping habits linked to higher death risk - Times of India
• Shai Gilgeous-Alexander Can Make Anyone Look Bad - Defector
• Will Ukraine eventually return to Russia's sphere of influence?
• AI risks 'broken' career ladder for college graduates, some experts say - ABC News
• What are the symptoms of Sjogren’s?
• Do women lack the mental strength to succeed at STEM? There seems to be few women at STEM and more women leave STEM after a time of working at it. How can it be just sexism if women aren't banned from entering?