Ginger ended up working 8 hours outside in her garden.  She kept a water bottle with her that held 2 cups of water.  She drank a full bottle of every hour she was outside.  She also poured an additional 5 bottles of water over the new plants she planted.  How many cups of water did Ginger drink/use that day?
Please reason step by step, and put your final answer within \boxed{}.
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