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

Read also:

• In the TV show Supernatural, why is God portrayed as cruel?
• Why do flat earthers delete their answers after being proven wrong? Are they just being ignorant and arrogant?
• Can you write a letter to your first love without mentioning his/her name?
• I am married for 3 years. My husband keeps pressing my boobs 40-50 times a day. He never stops though I ask him not to. What I should do to stop it?
• What are some ways to drive women crazy while many men don't know?
• How can I easily get rid of my writers block?
• There is any scientific evidence that we live in a sphere. Why do others say that we lives in a flat Earth but there is no evidence that they have proven the existence of a flat earth?
• What is the Abu Shusha massacre in Palestine?
• Do women wear undies under leggings?
• Would you raise your children like your parents raised you?