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.
--------
Question: At the arcade , Jerry won 29 tickets playing ' whack a mole ' and 17 tickets playing ' skee ball ' . If he spent 12 of his tickets on a hat , how many tickets does Jerry have left ?

Answer: 34

Question: Last year , egg producers in Douglas County produced 1416 eggs . This year , those same farms produced 4636 eggs . How many more eggs did the farms produce this year ?

Answer: 3220

Question: Tim had 50 cents . He paid 45 cents for a candy bar . How much change will he get ?

Answer:
5