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.

[Q]: Donald has 4 oranges . He finds another 5 . How many oranges does Donald have in all ?
[A]: 9


[Q]: Connie had some marbles . She gave 73 to Juan . Now she has 70 marbles left . How many did she have to start with ?
[A]: 143


[Q]: A teacher had 29 worksheets to grade . If she graded 25 , but then another 29 were turned in , how many worksheets would she have to grade ?
[A]:
33