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

If there are 7 crayons in a box and Gerald puts 6 more crayons inside , how many crayons are in the box ?
13

There are 4 walnut trees currently in the park . Park workers will plant 6 walnut trees today . How many walnut trees will the park have when the workers are finished ?
10

There are 35 bottle caps in Beverly 's bottle cap collection . If the bottle caps are organized into 7 groups , how big is each group ?

5