Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

[EX Q]: every day ryan spends 4 hours on learning english and 3 hours on learning chinese . how many hours does he spend on learning english and chinese in all ?
[EX A]: 7

[EX Q]: jane has 28 old brown sheets of drawing paper and 27 old yellow sheets of drawing paper . how many pieces of drawing paper does she have ?
[EX A]: 55

[EX Q]: todd had 85 cents in his pocket . he bought a candy bar for 14 cents . he bought a box of cookies for 39 cents . how much money did todd spend altogether ?
[EX A]:
53