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:
Nancy grew 2 onions , Dan grew 9 onions , and Mike grew 4 onions . They worked for 6 days on the farm . How many onions did they grow in total ?
answer:
15


question:
A pet store had 78 puppies . In one day they sold 30 of them and put the rest into cages with 8 in each cage . How many cages did they use ?
answer:
6


question:
A chef needs to cook 13 potatoes . He has already cooked 5 . If each potato takes 6 minutes to cook , how long will it take him to cook the rest ?
answer:

48