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

Q: Ezra drew a white line that was 7.666666666666667 inches long . Then he drew a blue line that was 3.3333333333333335 inches long . How much longer was the white line than the blue line ?

A: 4.333333333333333
****
Q: Joyce has 8 eggs . Marie gives Joyce 6 more . Later , Joyce buys 13 erasers at the store . How many eggs does Joyce have in all ?

A: 14
****
Q: Harry starts with 79 apples . He buys 5 more . How many apples does Harry end with ?

A:
84
****