Use a piece of rectangular cardboard with a length of 8cm and a width of 6cm to cut the largest circle. What is the utilization rate of this piece of paper?
用一张长8cm，宽6cm的长方形纸板，剪一个最大的园，这张纸的利用率是多少．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">9 / 48</gadget>
<output>3/16 = around 0.1875</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">3.14 * (3/16) * 1</gadget>
<output>0.58875</output>

<result>0.58875</result>