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:
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 ?

Ex Output:
30


Ex Input:
Sally grew 113 turnips and 118 pumpkins . Mary grew 129 turnips . How many turnips did they grow in total ?

Ex Output:
242


Ex Input:
If there are 7 bottle caps in a box and Linda puts 7 more bottle caps inside , how many bottle caps are in the box ?

Ex Output:

14