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

Read also:

• Why is it so common for married white women to have an affair with black men? Does it bother white guys?
• Leah Remini reveals where she and Jennifer Lopez stand after Ben Affleck caused friendship fallout - Page Six
• What made you feel satisfied about your life today?
• Big Bang May Not Be The Beginning of Everything, New Theory Suggests - ScienceAlert
• Are there really people who still believe the Earth is flat?
• Why is Hinduism not polytheistic?
• Eagles star Saquon Barkley stunningly hints he could retire ‘out of nowhere’ - New York Post
• What are the reasons why am I so tired before my period?
• Diablo II: Resurrected Ladder Season 11 Coming Soon - Blizzard News
• I am 13 and I am planning to run away. What should I do to succeed?
• Harvard scientists issue 'toxic' warning over 'hidden dangers' of protein powders - LADbible
• Dying Light: The Beast launches August 22 - Gematsu