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]: Megan has 19 seashells . How many more seashells does she need to find to have 25 seashells in her collection ?
[A]: 6


[Q]: Haley was playing a video game and had 14 lives . In a hard part of the game she lost 4 lives . If she got 36 more lives in the next level , how many lives would she have ?
[A]: 46


[Q]: At the beach , Miki and her sister both built sandcastles and then measured their heights . Miki 's sandcastle was 0.8333333333333334 foot tall and her sister 's was 0.5 foot tall . How much taller was Miki 's sandcastle than her sister 's ?
[A]:
0.3333333333333333