Peter has four horses. Each one eats 4 pounds of oats, twice a day, and 3 pounds of grain once a day. How many pounds of food does he need to feed his horses for 3 days? Let's think first. Chain of thought:
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Peter needs 2 * 4 pounds of oats = 8 pounds of oats per horse per day. Peter will need 8 pounds oats * 3 days = 24 pounds of oats per horse. Peter will need 24 pounds of oats * 4 horses = 96 pounds of oats total. Peter needs 3 pounds of grain * 3 days per horse = 9 pounds of grain per horse. Peter will need 9 pounds of grain * 4 horses = 36 pounds of grain total. For 3 days Peter will need a total of 96 pounds oats + 36 pounds grain = 132 pounds total.
Therefore, the answer is 132.
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