instruction:
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.
question:
On Saturday , Sara spent $ 10.62 each on 2 tickets to a movie theater . Sara also rented a movie for $ 1.59 , and bought a movie for $ 13.95 . How much money in total did Sara spend on movies ?
answer:
36.78


question:
A lawyer bills her clients 200 dollars per hour of service . If a client 's case requires 39 hours to complete , use proportion to calculate how much the client will owe the lawyer in dollars .
answer:
7800


question:
The value of a sport utility vehicle this year is 16000 dollars , which is 0.8 of what its value was last year . Find the value of the vehicle last year .
answer:

20000