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.
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Question: Kaleb was collecting cans for recycling . On Saturday he filled 5 bags up and on Sunday he filled 5 more bags . If each bag had 4 cans in it , how many cans did he pick up total ?

Answer: 40


Question: 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 ?

Answer: 18.66


Question: Sara has 31 red and 15 green balloons . Sandy has 24 red balloons . How many red balloons do they have in total ?

Answer:
55