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.

Tom has 30 violet balloons , he gave Fred 16 of the balloons . How many violet balloons does he now have ?
14

Mrs. Hilt bought 3 pizzas for $ 8 each . What was the total amount she paid for the three pizzas ?
24

If books came from all the 4 continents that Bryan had been into and he collected 122 books per continent , how many books does he have from all 4 continents combined ?

488