Paco had 17 cookies. He ate 14 cookies and gave 13 of them to his friend. How many more cookies did he eat than those he gave to his friend?
. 

Paco had 17 cookies. 
He ate 14 cookies. 
He gave 13 cookies to his friend. 

We want to know how many more cookies he ate than those he gave to his friend. 

We can subtract the number of cookies he gave to his friend from the total number of cookies he had to start with. 

17 - 13 = 4 

Paco ate 4 more cookies than those he gave to his friend.