Q: Paul uses 1 can of frosting to frost a layer cake. He uses a half can of frosting for a single cake, or a single pan of brownies, or a dozen cupcakes. For Saturday, he needs to have 3 layer cakes, 6 dozen cupcakes, 12 single cakes and 18 pans of brownies ready and frosted for customer pick up. How many cans of frosting will he need?
A: He needs 1 can of frosting per layer cake and he needs to make 3 layer cakes so that's 1 * 3 = 3 cans of frosting. There are 6 dozen cupcakes,12 single cakes and 18 pans of brownies for a total of 6 + 12 + 18 = 36 orders. Each of the 36 orders needs 1 / 2 can of frosting so they need 36 * .5 = 18 cans of frosting. He needs 3 cans of frosting for the layer cakes and 18 cans for the remaining items for a total of 3 + 18 = 21 cans of frosting. The answer is 21.

Q: The building has 42 storage units that are a total of 5040 square feet. Twenty of the units are 8 by 4 feet each. If the remaining units are all the same size, what is the area, in square feet, for one of the remaining units?
A: 8 * 4 = 32 square feet. 20 * 32 = 640 square feet. 5040 - 640 = 4400 square feet. There are 42 - 20 = 22 remaining units. 4400 / 22 = 200 square feet. One of the remaining units is 200 square feet. The answer is 200.

Q: Kara has to drink 4 ounces of water every time she takes her medication. Her medication instructions are to take one tablet three times a day. She followed the instructions for one week, but in the second week, she forgot twice on one day. How many ounces of water did she drink with her medication over those two weeks?
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Kara drinks 4 * 3 = 12 ounces of water with her medication each day. In a week, she drinks 12 * 7 = 84 ounces of water with her medication. In two weeks, she drinks 84 * 2 = 168 ounces of water with her medication. One day, she forgot two tablets, so she did not drink 2 * 4 = 8 ounces of water. Thus, Kara drank 168 - 8 = 160 ounces of water with her medication over two weeks. The answer is 160.