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.

There are 4 marbles . 7 marbles more are added . How many are there total ?
11

A restaurant served 7 slices of pie during lunch and 5 during dinner today . It served 8 of them yesterday . How many slices of pie were served today ?
12

Jesse starts with 78 pencils . He gives 44 to Joshua . How many pencils does Jesse end with ?

34