instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: harold works at a resort from the beginning of march to the end of september . during the month of august this past year , he made 2 times the average ( arithmetic mean ) of his monthly totals in tips for the other months . his total tips for august were what fraction of his total tips for all of the months he worked ?
answer:
1 / 4


question:
Problem: a statue is being carved by a sculptor . the original piece of marble weighed 180 kg . in the first week 28 percent is cut away . in the second week 18 percent of the remainder is cut away . in the third week the statue is completed when 20 percent of the remainder is cut away . what is the weight of the final statue ?
answer:
85 kg


question:
Problem: a train running at the speed of 27 km / hr crosses a post in 20 seconds . what is the length of the train ?
answer:

150