You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: a shoe store was having a back to school sale where you could buy 2 pairs of shoes for $ 23.10 . if a large family decided to buy 7 pairs of shoes how much would it cost them ?

Output: 80.85


Input: Consider Input: she wants to know how many children will go trick or treating in their village . if there are 6 children on each of the 9 blocks how many children will go trick or treating in annie 's village ?

Output: 54


Input: Consider Input: it 's valentine 's day in the city and mayor harvey wants to celebrate by giving the institutions for women some flowers . his first beneficiary was the nursing home for old women . he bought 3 sets of flowers 90 pieces each . how many flowers did he buy for the nursing home ?


Output: 270