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.

The farmer had 127 apples . He gave 88 apples to his neighbor . How many apples does he have now ?
39

William starts with 15 tickets . He buys 3 more . How many tickets does William end with ?
18

Mrs. Hilt uses 2 ounces of detergent to wash a pound of clothes . How many ounces of soap will she use to wash 9 pounds of clothes ?

18