You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: Alec and his roommates ate 3.25 pints of ice cream on Friday night and 0.25 pint of ice cream on Saturday night . How many pints did they eat in all ?

Output: 3.5


Input: Consider Input: Tom purchased a Batman game for $ 13.6 , and a Superman game for $ 5.06 . Tom already owns 2 games . How much did Tom spend on video games ?

Output: 18.66


Input: Consider Input: While playing at the arcade , Luke won 2 tickets playing ' whack a mole ' and 13 tickets playing ' skee ball ' . If he was trying to buy candy that cost 3 tickets a piece , how many could he buy ?


Output: 5