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.

Joshua has 40 bottle caps . He buys 7 more . How many bottle caps does Joshua have in all ?
47

Recently , the value of Kate 's retirement fund decreased by $ 12 . If her fund was worth $ 1472 before , how much is it worth now ?
1460

There are 16 bottle caps in a box . Marvin takes 6 bottle caps . How many are left ?

10