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: Neale makes 5.6 dollars per hour . He worked 22.5 hours and recieved 42.25 dollars in tips what is his salary ?

Answer: 168.25

Question: Mary had 8 potatoes in the garden . The rabbits ate 3 of the potatoes . How many potatoes does Mary now have ?

Answer: 5

Question: Jason has 43 blue and 16 red marbles . Tom has 24 blue marbles . How many blue marbles do they have in all ?

Answer:
67