Xiao Ming bought 23 stamps of 6 cents and 8 cents for 16.6 yuan, how many stamps of 6 cents are there?
小明16.6元买了23枚6角和8角的邮票，6角的邮票有多少枚．
<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">23 * (4/5)</gadget>
<output>92/5 = around 18.4</output>

<gadget id="calculator">(92/5) - 16.6</gadget>
<output>1.8</output>

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(4/5) - (3/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1.8 / (1/5)</gadget>
<output>9</output>

<result>9</result>