Frank has 7 one-dollar bills, 4 five-dollar bills, 2 ten-dollar bills, and 1 twenty-dollar bill. He goes to buy peanuts, which cost $3 a pound. He buys what he wants and has $4 in change. He plans to eat the peanuts all in one week. How many pounds does he eat on average per day?
Frank has $7 in one dollar bills because 7 x 1 = 
<gadget id="calculator">7*1</gadget>
<output>7</output>
7.
Frank has $20 in five dollar bills because 4 x 5 = 
<gadget id="calculator">20</gadget>
<output>20</output>
20.
Frank has $20 in ten dollar bills because 2 x 10 = 
<gadget id="calculator">2*10</gadget>
<output>20</output>
20.
Frank has 67 dollars in total because 7 + 20 + 20 + 20 = 
<gadget id="calculator">7+20+20+20</gadget>
<output>67</output>
67.
Frank spent $63 because 67 - 4 = 
<gadget id="calculator">67-4</gadget>
<output>63</output>
63.
Frank bought 21 pounds of peanuts because 63 / 3 = 
<gadget id="calculator">63/3</gadget>
<output>21</output>
21.
He eats 3 pounds a day on average because 21 / 7 = 
<gadget id="calculator">21/7</gadget>
<output>3</output>
3.

<result>3</result>