Michael is racing his horse and notices that for every mile the horse runs, he eats 1/2 a bail of hay. A bail of hay costs $3. If his horse runs for 30 minutes at 32MPH, and Michael has six 5 dollar bills, how much change does he have after he buys the hay?
The horse runs 16 miles because 32 x (30/60) = 
<gadget id="calculator">32*(30/60)</gadget>
<output>16</output>
16.
The horse needs to eat 8 bails of hay because 16 x .5 = 
<gadget id="calculator">16*.5</gadget>
<output>8</output>
8.
The hay will cost $24 because 8 x $3 = 
<gadget id="calculator">8*3</gadget>
<output>24</output>
24.
Michael has $30 because 6 x $5 = 
<gadget id="calculator">6*5</gadget>
<output>30</output>
30.
Michael has $6 in change because $30 - $24 = $
<gadget id="calculator">30-24</gadget>
<output>6</output>
6.

<result>6</result>