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: jane helped her mom prepare fresh lemonade . if each glass needs 2 lemons how many glasses of fresh lemonade can she make if they have 18 lemons ?

Answer: 9

Question: an aquarium had 10 fish in it . later they added 3 fish . how many fish are in the aquarium now ?

Answer: 13

Question: 2 toucans are sitting on a tree limb . 1 more toucan joins them . how many toucans in all ?

Answer:
3