pile of wheat is piled up in a cone shape, the circumference of the base is 18.84 meters, and the height is 1 meter. If it is packed into a cylindrical grain storehouse whose base radius is 2 meters, how high can it be packed?
一堆小麦堆成圆锥形，底面周长是18.84米，高是1米．如把它装入一个底面半径是2米的圆柱形粮囤里，可以装多高？
<gadget id="calculator">18.84 / 3.14 / 2</gadget>
<output>3</output>

<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 * 1</gadget>
<output>9.42</output>

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

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

<gadget id="calculator">9.42 / 12.56</gadget>
<output>0.75</output>

<result>0.75</result>