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

Read also:

• Why am I attracted to older men?
• Jeff Bezos and Lauren Sanchez to spotlight Venice's artisanal heritage during upcoming nuptials - AP News
• Why do people hate fat people so much, even people who aren't exactly supermodels themselves? It seems like such a deep, passionate hatred, like they're offended by fat people just existing. Fat people didn't do anything to them, so why hate them?
• Why don't people like Nickelback?
• Why am I sweating so much at night even though my room is really cold?
• Why did Obito, a supposed "bad person," do good things for Kakashi?
• Why are Republican politicians so afraid to oppose Trump?
• Who is the most annoying character in the Office?
• Fed on Hold Leaves Wall Street Asking What It Will Take to Cut Interest Rates - Bloomberg.com
• Why do only ugly women like me on Tinder? Is it because I'm an ugly man?
• What are some best sources of great porn?