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:
after resting they decided to go for a swim . if the depth of the water is 10 times dean 's height and he stands at 6 feet how deep was the water ?

Ex Output:
60


Ex Input:
paul was reading through his favorite book series . each week he read 4 different books . how many books would he have read through after 5 weeks ?

Ex Output:
20


Ex Input:
for the final touches john wanted to paint the house using the 3 primary colors . if he has 5 liters of paint for each color how many liters of paint does he have in all ?

Ex Output:

15