Elizabeth has 20 dollars and wants to buy pens and pencils. Each pencil costs $1.60 and each pen cost 2 dollars. How many pencils can she buy with her 20 dollars if she wants 6 pens?
Elizabeth spends 6*2 = 
<gadget id="calculator">6*2</gadget>
<output>12</output>
12 dollars on pens.
Elizabeth has 20-12 = 
<gadget id="calculator">20-12</gadget>
<output>8</output>
8 dollars to spend on pencils.
Elizabeth can buy 8/1.6 = 
<gadget id="calculator">8/1.6</gadget>
<output>5</output>
5 pencils.

<result>5</result>