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.

[Q]: There are 11 rulers and 34 crayons in the drawer . Tim placed 14 rulers in the drawer . How many rulers are now there in all ?
[A]: 25


[Q]: Fred loves trading cards . He bought 2 packs of football cards for $ 2.73 each , a pack of Pokemon cards for $ 4.01 , and a deck of baseball cards for $ 8.95 . How much did Fred spend on cards ?
[A]: 18.42


[Q]: There are 69 erasers in a box . Jane has 15 erasers in a bag . Doris takes 54 erasers out of the box . How many erasers are left in the box ?
[A]:
15