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.

Example Input: 86 students are going hiking . each school- bus can take 9 students . how many school-buses are needed ?
Example Output: 9.555555555555555

Example Input: my car gets 20 miles per gallon . how many miles can i drive on 5 gallons of gas ?
Example Output: 100

Example Input: at the fair kaleb bought 6 tickets . after riding the ferris wheel he had 3 tickets left . if each ticket cost 9 dollars how much money did kaleb spend riding the ferris wheel ?
Example Output:
27