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.

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 ?
30

There are 41 pencils in the drawer . Mike placed 30 pencils in the drawer . How many pencils are now there in total ?
71

Kathleen went to the store 5 times last month . She buys 5 bottle caps each time she goes to the store . How many bottle caps did Kathleen buy last month ?

25