A pile of sand is cone-shaped, with a base radius of 3 meters and a height of 0.8 meters. Pour it into a bunker with a length of 4 meters and a width of 2 meters. How thick can it be laid?
一堆圆锥形沙，底面半径3米，高0.8米．把它倒入一个长4米、宽2米的沙坑，能铺多厚？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 0.8</gadget>
<output>7.536</output>

<gadget id="calculator">4 * 2</gadget>
<output>8</output>

<gadget id="calculator">7.536 / 8</gadget>
<output>0.942</output>

<result>0.942</result>