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

At the arcade Jerry won 4 tickets . If he spent 2 tickets on a beanie and later won 47 more tickets , how many would he have ?
49

There are 48 erasers in the drawer and 30 erasers on the desk . Alyssa placed 39 erasers and 45 rulers on the desk . How many erasers are now there in total ?
117

Each chocolate bar in a box cost $ 6 . If a box had 13 bars total and Zoe sold all but 6 bars , how much money would she have made ?
42