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

Read also:

• Experts warn that 1 in 5 adults are at risk of developing sleep disorders due to this substance - Tom's Guide
• MSI's new Toy Story PC features Buzz Lightyear GPU, Woody motherboard, and more - TechSpot
• Skyrim meets Assassin’s Creed: Black Flag in gorgeous new RPG - GAMINGbible
• Aurora borealis lights up northern Nevada, Carson City skies - Carson Now
• Saints minicamp Day 1: QB battle still in full force - NewOrleans.Football
• Volcano Alert: Experts Predict Eruptions in France Imminent! - Glass Almanac
• Nationals’ cornerstones come up big in series-opening win against Padres - The Washington Post
• What is something you have to share?
• I am glad you enjoyed my pictures. Do you have any photos to share?
• 8 of the most controversial album covers of all time - dazeddigital.com
• Mario Kart World is the perfect Switch 2 launch game - The Verge
• Why do so many autistic adults deal with self-hatred?