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

Input: Consider Input: Carefully following a recipe , Kenny used exactly 0.16666666666666666 cup of oil and 1.1666666666666667 cups of water . How many cups of liquid did Kenny use in all ?

Output: 1.3333333333333333

Input: Consider Input: Kendall is learning to drive , so this weekend she practiced driving 0.16666666666666666 mile with her mother and another 0.5 mile with her father . How far did Kendall drive in all ?

Output: 0.6666666666666666

Input: Consider Input: Josh had 16 marbles in his collection . He lost 7 marbles . How many marbles does he have now ?
Output: 9