Paul got a box of 45 crayons for his birthday. During the school year he gave 33 crayons to his friends while he lost 36 crayons. How many more crayons did he lose than those he gave to his friends?
Paul got 45 crayons. 
He gave 33 crayons to his friends. 
That means he has 45 - 33 = 12 crayons left. 
He lost 36 crayons. 
That means he has 12 - 36 = -24 crayons. 

That means he lost more crayons than he gave to his friends.