A cone with a height of 4 cm is cut perpendicularly along its height into two equal parts. Given that the area of the cross section is 12 square centimeters, what is the volume of the cone in square centimeters?
一个高是4厘米的圆锥，沿着它的高垂直切成相等的两部分．已知截面的面积是12平方厘米，那么圆锥的体积是多少平方厘米．
<gadget id="calculator">2 / 4 / 2</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 * (1/4)</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 * 4</gadget>
<output>37.68</output>

<result>37.68</result>