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.

Ex Input:
I have 648 pencils . If I put 4 pencils in each pencil box , how many pencil boxes will I fill ?

Ex Output:
162


Ex Input:
Eugene has 51 pencils . He gets 6 more from Joyce . How many pencils does Eugene have in all ?

Ex Output:
57


Ex Input:
There are 7 students in the class and 42 apples . If the apples are divided equally among the students , how many does each student get ?

Ex Output:

6