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.

Input: Consider Input: Joan picked 43 apples from the orchard , and gave 27 apples to Melanie . How many apples does Joan have now ?

Output: 16

Input: Consider Input: Joyce starts with 75 apples . She gives 52 to Larry . How many apples does Joyce end with ?

Output: 23

Input: Consider Input: Adolfo made a tower with 35 blocks . He added some more blocks and now he has 65 blocks . How many did he have to add ?
Output: 30