You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

There are 7 dogwood trees currently in the park . Park workers will plant 5 dogwood trees today and 4 dogwood trees tomorrow . It took 8 workers to finish the work . How many dogwood trees will the park have when the workers are finished ?
16

Tiffany uploaded 7 pictures from her phone and 13 from her camera to facebook . If she sorted the pics into 5 different albums with the same amount of pics in each album , how many pictures were in each of the albums ?
4

Nancy was organizing her book case making sure each of the shelves had exactly 6 books on it . If she had 2 shelves of mystery books and 6 shelves of picture books , how many books did she have total ?

48