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

Read also:

• Why is fitness important?
• Despite three-owner structure, NFL rules require Carlie Irsay-Gordon to have unilateral control - NBC Sports
• What is the one unconventional piece of Stoic advice that has significantly improved your life?
• Can we state Alia Bhatt as the most versatile actress in Bollywood now?
• 11 confirmed dead after flooding, identities of three victims released - WOAI
• Scientists Discover Promising New Alzheimer’s Treatment - SciTechDaily
• Knicks' Decision to Fire Tom Thibodeau Was Brewing For 'Months' - Sports Illustrated
• Phase-resolved attoclock precisely measures electron tunneling time - Phys.org
• What do you think is the most powerful line in the song "Non, Je Ne Regrette Rien" by Édith Piaf?
• What do you think of Obito Uchiha?
• Aut perferendis voluptatibus eum sapiente officiis est explicabo itaque.