instruction:
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.
question:
Johnny saved $ 30 in September . He saved $ 49 in October and $ 46 in November . Then Johnny spent $ 58 on a video game . How much money does Johnny have left ?
answer:
67


question:
Karin 's science class weighed plastic rings for an experiment . They found that the orange ring weighed 0.08333333333333333 ounce , the purple ring weighed 0.3333333333333333 ounce , and the white ring weighed 0.4166666666666667 ounce . What was the total weight of the plastic rings ?
answer:
0.8333333333333334


question:
A vase can hold 6 flowers . If you had 7 carnations and 47 roses , how many vases would you need to hold the flowers ?
answer:

9