Joe sells cookies for 20% more than it costs to make them. If he sold 50 cookies and earned $60, how much do the cookies cost to make?
He sold the cookies for $1.20 each because 60 / 50 = 
<gadget id="calculator">60/50</gadget>
<output>6/5 = around 1.2</output>
1.2.
They cost $1 to make because 1.2 / 1.2 = 
<gadget id="calculator">1.2/1.2</gadget>
<output>1</output>
1.

<result>1</result>