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.

Keith picked 3 pears and Jason picked 2 pears from the pear tree . Joan picked 5 apples from the apple tree . How many pears were picked in total ?
5

Sally had 39 baseball cards , and 9 were torn . Sara bought 24 of Sally 's baseball cards . How many baseball cards does Sally have now ?
15

A 12 ounce can of cranberry juice sells for 84 cents . What is the cost in cents per ounce .

7