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

Read also:

• Hunter Dobbins Has Last Laugh In War Of Words With Yankees - NESN
• Fuga eaque dolorum deserunt omnis velit.
• Would you join a gym or workout at home and why?
• Turning carbon dioxide into fuel just got easier, thanks to acid bubbles - Tech Xplore
• Why is Elon Musk so ugly?
• The Club World Cup is finally up and running — and soccer may never be the same - AP News
• Giants Activate Jerar Encarnacion - MLB Trade Rumors
• Why would a person always be so tired?
• Fans criticize Beyoncé for shirt calling Native Americans ‘the enemies of peace’ - AP News
• Adam Sandler will cast Derrick Henry in a movie if he rushes for 2,000 yards - NBC Sports