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

Read also:

• Is it common for girlfriends to have close male friends who are single and not related to them?
• NASA to silence Voyager's social media accounts - theregister.com
• What is it that gives a man who is a submissive cock sucker his most pleasure?
• Would you join a gym or workout at home and why?
• How would you describe modern day Russian society, beyond just politics?
• What was your best revenge story?
• What do most wives fantasize about?
• Has anyone shared his wife with a friend? How was it?
• Why all the fuss about Trump’s policy initiatives? Isn’t he just trying to set a moral tone for the Republican Party to make America great again?
• What's your review of "The Queen Who Ever Was," Episode 8 of Season 2 of 'House of the Dragon' (spoilers)?
• Stress-Linked Brain Pathway Disrupts Sleep and Memory - Neuroscience News
• Why do people stay in cults after they have joined?
• Are you more of a butt guy or a boob guy?