You are given a math word problem and you are supposed to apply a single mathematical operator 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.
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Question: a baker already had 78 cakes but made 9 extra . how many cakes did the baker have total ?

Answer: 87

Question: the wolves though accustomed to cold weather also wanted to move away from the incoming winter . if there are 43 packs of wolves living in the forest and 31 packs went away how many wolf packs were left in the forest ?

Answer: 12

Question: susie and her sister gathered all 98 of their teddy bears and placed them on the shelves in their bedroom . if every shelf can carry a maximum of 7 teddy bears how many shelves will be filled ?

Answer:
14