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.

Jason grew 37 watermelons and 30 pumpkins . Sandy grew 11 watermelons . How many watermelons did they grow in total ?
48

Fred has 40 baseball cards . Keith bought 22 of Fred 's baseball cards . How many baseball cards does Fred have now ?
18

Iesha has 58 books . 19 are about school and the rest are about sports . How many books about sports does Iesha have ?

39