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]: There are 41 short trees and 44 tall trees currently in the park . Park workers will plant 57 short trees today . How many short trees will the park have when the workers are finished ?
[EX A]: 98

[EX Q]: Lucy went to the grocery store . She bought 12 packs of cookies and 16 packs of noodles . How many packs of groceries did she buy in all ?
[EX A]: 28

[EX Q]: Maggie bought 4 packs of red bouncy balls , 8 packs of yellow bouncy balls , and 4 packs of green bouncy balls . There were 10 bouncy balls in each package . How many bouncy balls did Maggie buy in all ?
[EX A]:
160