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]: John needs $ 2.5 . He has $ 0.75 . How much more money does he need ?
[A]: 1.75

[Q]: Ceasar needs to read a 563 page book for school . He has already read 147 pages . How many pages does he have left to read ?
[A]: 416

[Q]: Mrs. Santiago has 58 red roses . Mrs. Garrett has 24 . How many more red roses does Mrs. Santiago have than Mrs. Garrett ?
[A]:
34