You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Ex Input:
Sally saw 1 dozen birds in a tree . How many birds did Sally see ?

Ex Output:
12


Ex Input:
In one year , for the election for president there were 76.7 million voters , whereas in the next year there were 129.9 million voters . Find the percentage change in the number of voters ?

Ex Output:
69.4


Ex Input:
Jose strolled to Jane 's house . It is 24 miles from Jose 's house to Jane 's house . It took Jose 12 hours to get there . How fast did Jose go ?

Ex Output:

2