James buys 3 shirts for $60.  There is a 40% off sale.  How much did he pay per shirt after the discount?
He got a 60*.4=$
<gadget id="calculator">60*.4</gadget>
<output>24</output>
24 discount.
So he paid 60-24=$
<gadget id="calculator">60-24</gadget>
<output>36</output>
36 for the shirts.
That means he paid 36/3=$
<gadget id="calculator">36/3</gadget>
<output>12</output>
12 per shirt.

<result>12</result>