Cut a cylindrical wood into the largest cone, the volume of the cut part is 10 cubic decimeters, what is the formula for finding the volume of this piece of wood
把一个圆柱形木料削成一个最大的圆锥，削去部分的体积是10立方分米，求这段木料的体积的算式是多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">10 / (2/3)</gadget>
<output>15</output>

<result>15</result>