Paul got a box of 41 crayons and 3 erasers for his birthday. At the end of the school year he only had 27 left while not having lost a single erasers. How many crayons had been lost or given away?
Paul got 41 crayons and 3 erasers. 
At the end of the school year he only had 27 crayons left. 
That means that he lost 14 crayons. 
He did not lose any erasers.