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.

[Q]: For Halloween Janet and her sister combined the candy they received . Janet had 34 pieces of candy while her sister had 33 . If they ate 4 pieces the first night , how many pieces do they have left ?
[A]: 63


[Q]: Scarlett made a fruit salad with 0.25 pound of melon and 0.375 pound of berries . How many pounds of fruit did Scarlett use in all ?
[A]: 0.625


[Q]: At a pie - eating contest , Erik got through 0.6666666666666666 pie before time was called ; Frank finished just 0.3333333333333333 pie . How much more pie did Erik eat than Frank ?
[A]:
0.3333333333333333