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.

Megan had 217 markers . Robert gave her 109 more markers . How many markers does Megan have altogether ?
326

Joan had 5 dimes in her bank . She spent 2 of her dimes . How many dimes does she have now ?
3

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 ?

18.66