The construction site transports 9.42 tons of sand and piles it into a cone with a bottom circumference of 12.56 meters. Find the height of the sand pile. (1.5 tons of sand per cubic meter)
建筑工地运来9.42吨砂，堆成一个底面周长是12.56米的圆锥形求砂堆的高．(每立方米砂重1.5吨)
<gadget id="calculator">9.42 / 1.5</gadget>
<output>6.28</output>

<gadget id="calculator">12.56 / 3.14 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3.14 * 4</gadget>
<output>12.56</output>

<gadget id="calculator">3 / 12.56</gadget>
<output>0.238854</output>

<gadget id="calculator">6.28 * 0.238854</gadget>
<output>1.500003</output>

<result>1.500003</result>