Cut a conical block of wood in half along one of its diameters of 6 cm long. The cut surface is two isosceles right triangles. What is the volume of the original block?
将一个圆锥体的木块沿着它的一条长6厘米的直径对半切开，切面是两个等腰直角三角形，原来的木块体积是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">(1/3) * 3.14 * 9 * 3</gadget>
<output>28.26</output>

<result>28.26</result>