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

Read also:

• Why is Nickelback known to be a bad band?
• Why do I sweat so much at the gym?
• Have you or anyone you know invested in cryptocurrencies before? If so, which one did you invest in and how much profit did you make?
• If James Bond is meant to be the best secret agent in the world, how come all the bad guys in the World seem to know who he is?
• This Common Herb May Hold the Key to Fighting Alzheimer’s, According to a New Study - Food & Wine
• Which fish tastes good for South Indian curries?
• Why are most girls not open to the idea of anal sex?
• I dreamt my mother had died and I cried so much in my dream. What does it mean?
• Is there a possibility that we are living in a simulation and that there is a concept of rebirth?
• Who is the most annoying character in the Office?
• Common blood pressure drug slows aging and boosts lifespan, even in older animals - Earth.com
• Does being poor build better character than being born rich?
• Do you think Lady Gaga and Celine Dion have rehearsed separately for their performance at the Olympics opening ceremony?
• Why does my dog keep licking at her privates now? She is 7 years old and has barely started licking there. The vet said she’s fine but she keeps doing that.