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.
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Question: Oliver made 35 dollars mowing lawns over the summer . If he spent 7 dollars buying new mower blades , how many 4 dollar games could he buy with the money he had left ?

Answer: 7

Question: Luke had 48 dollars in January . By March he had spent 11 dollars . If he got another 21 dollars from his mom , how much money would he have ?

Answer: 58

Question: Henry earned 5 dollars for each lawn he mowed . If he had 12 lawns to mow , but forgot to mow 7 of them , how much money did he actually earn ?

Answer:
25