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.

[EX Q]: Dan bought 9 dozen eggs from the grocery store to bake some cakes . How many eggs did Dan buy ?
[EX A]: 108

[EX Q]: A painter needed to paint 12 rooms in a building . Each room takes 3 hours to paint . If he already painted 4 rooms , how much longer will he take to paint the rest ?
[EX A]: 24

[EX Q]: As Alyssa was searching through her couch cushions , she found 12 quarters , and 7 pennies in the couch . How much money in total does Alyssa have ?
[EX A]:
3.07