You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[EX Q]: Benny goes to lunch with Sally and Sandy . The total bill came to 15 dollars . They decided to equally split up the bill , how much will each person have to pay ?
[EX A]: 5

[EX Q]: Jacqueline has 4 boxes of erasers . Each box holds 10 erasers and there are 9 boxes in a case . How many erasers does Jacqueline have ?
[EX A]: 40

[EX Q]: In one year , for the election for president there were 76.7 million voters , whereas in the next year there were 129.9 million voters . Find the percentage change in the number of voters ?
[EX A]:
69.4