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:
How many yards of material from a 24 yard length of cloth remains after 3 pieces each 3.5 yards long and 5 pieces each 2.25 long are removed ?

Ex Output:
2.25

Ex Input:
Ned was trying to expand his game collection . He bought 11 games from a friend and bought 22 more at a garage sale . If 19 of the games did n't work , how many good games did he end up with ?

Ex Output:
14

Ex Input:
Rachel bought two coloring books . One had 24 pictures and the other had 39 . After one week she had already colored 4 of the pictures . How many pictures does she still have to color ?

Ex Output:
59