You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Edward started his own lawn mowing business . In the spring he made 2 dollars mowing lawns and in the summer he made 27 dollars . If he had to spend 5 dollars buying supplies , how much money did he end up with ?
24

At the arcade Dave won 11 tickets . If he spent 5 tickets on a beanie and later won 10 more tickets , how many would he have ?
16

Frank and his friend were buying trick decks from the magic shop for 7 dollars each . How much did they spend if Frank bought 3 decks and his friend bought 2 decks ?

35