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.

Ex Input:
vanessa had to complete 3 pages of homework . each page had 4 problems on it . how many problems did she have to complete total ?

Ex Output:
12

Ex Input:
johnny practiced for the track team and ran 3 laps per minute . how many minutes did it take johnny to run 10 laps ?

Ex Output:
3.333

Ex Input:
after going down the falls he then went to rock mist mountains . if the mountain is 50 times farther from the city than sky falls and sky falls is 8 miles from the city how far is the rocky mist from the city ?

Ex Output:
400