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]: Nancy has saved 4900 cents from selling lemonade . How many dollars does Nancy have ?
[EX A]: 49

[EX Q]: Billy was putting his spare change into piles . He had 2 piles of quarters and 3 piles of dimes . If each pile had 4 coins in it , how many coins did he have total ?
[EX A]: 20

[EX Q]: Cody is 14 years old . His grandmother is 6 times as old as he is . How old is Cody ’ s grandmother ?
[EX A]:
84