What is the volume of the largest cone after cutting a cube of wood with a volume of 30dm**3 into the largest cone?
把一个体积为30dm**3的正方体木块削成最大的圆锥体后，圆锥体的体积是多少？
<gadget id="calculator">6.28 / 3</gadget>
<output>2.093333</output>

<gadget id="calculator">15 / 4</gadget>
<output>15/4 = around 3.75</output>

<gadget id="calculator">2.093333 * (15/4)</gadget>
<output>7.849999</output>

<result>7.849999</result>