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: Mike had 33 quarters and 87 nickels in his bank . His dad borrowed 75 nickels from Mike . How many nickels does he have now ?

Output: 12


Input: Consider Input: There are 6 birds and 3 nests . How many more birds are there than nests ?

Output: 3


Input: Consider Input: James ate 22 carrot sticks before dinner and 15 more after dinner . How many carrot sticks did he eat ?


Output: 37