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.

[EX Q]: Sally had 27 Pokemon cards . Dan gave her 41 new Pokemon cards . Sally bought 20 Pokemon cards . How many Pokemon cards does Sally have now ?
[EX A]: 88

[EX Q]: Luke had 20 stickers . He bought 12 stickers from a store in the mall and got 20 stickers for his birthday . Then Luke gave 5 of the stickers to his sister and used 8 to decorate a greeting card . How many stickers does Luke have left ?
[EX A]: 39

[EX Q]: Isabel was selling her necklaces at a garage sale . She sold 3 bead necklaces and 3 gem stone necklaces . If each necklace cost 6 dollars , how much money did she earn ?
[EX A]:
36