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.

[Q]: John needs $ 2.5 . He has $ 0.75 . How much more money does he need ?
[A]: 1.75


[Q]: Patricia starts with 76 candies . Albert takes 5 away . How many candies does Patricia end with ?
[A]: 71


[Q]: Mrs. Heine is buying Valentine ’ s Day treats for her 2 dogs . If she wants to buy them 3 heart biscuits each , how many biscuits does she need to buy ?
[A]:
6