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:
Irwin 's family went on a camping trip in the mountains . On the first day , they hiked from their car to the campsite . First , they hiked 0.2 mile from the car to a stream , and 0.4 mile from the stream to a meadow . Then they hiked 0.1 mile from the meadow to the campsite . How many miles did Irwin 's family hike in all ?

Ex Output:
0.7


Ex Input:
For a birthday party Jerry bought 41 regular sodas and 22 diet sodas . If his fridge would only hold 9 on each shelf , how many shelves would he fill up ?

Ex Output:
7


Ex Input:
Chloe was playing a trivia game . In the first round she scored 40 points and in the second round she scored 50 points . In the last round she lost 4 points . How many points did she have at the end of the game ?

Ex Output:

86