You are given a math word problem and you are supposed to apply a single mathematical operator 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.

a vase can hold 5 flowers . if you had 25 flowers how many vases would you need ?
5

there 's only a week left before christmas . john went out to buy gifts for his family . having $ 999 for his budget he went to a sports store and bought his brother a new pair of shoes for $ 165 . how much money does he have left ?
834

luke was helping his mom wash clothes . they washed 6 loads with 7 towels in each load . how many towels did they wash total ?
42