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

Read also:

• Adam Scott, nearly 45 years old, with chance to redefine career on U.S. Open Sunday - NBC Sports
• Why am I more attracted to black men?
• It seems that I am cursed with bad luck. How do I break such a curse?
• What is the belief about the existence of past lives and memories? Do we have knowledge of our past lives at birth or does it come back to us gradually?
• Why do atheists demand that everyone must accept their own self-definition? Is that any different from demanding others must accept their choice among 87 genders or be labeled as a bigot?
• What is your worst experience in life?
• Do leftists understand why young men are becoming more right-wing?
• Why is there so much hate against black people?
• What is the most gay experience with your dad?
• Why does my cat get anxious during loud noises like thunderstorms or firework displays? Is this a common behavior for cats, and is there a way to help them cope with it?
• Hello I am 17 year old boy and I am interested in transgender why?
• What was the most challenging shift you experienced as an ER physician? Can you describe the details and reasons behind it?