There is a pile of sand that is similar to a cone. The measured circumference of the base is 12 meters and the height is 2 meters. How many cubic meters is the pile of sand? (π can be 3)
有一堆近似于圆锥的沙子，量的底面周长是12米，高是2米，这堆沙子大约有多少立方米？(π可取3)
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 / 3 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">(1/3) * 3 * 4 * 2</gadget>
<output>8</output>

<result>8</result>