In a cylindrical container, put a conical wooden block of the same height as its bottom, and then fill it with water. If the volume of water is 1000 cubic centimeters, what is the volume of the cone?
在一个圆柱形的容器中，放入一个与它等底等高的圆锥形木块后，再倒满水，若水的体积是1000立方厘米，则圆锥的体积是多少．
<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">1_000 / (2/3)</gadget>
<output>1_500</output>

<gadget id="calculator">1_500 * (1/3)</gadget>
<output>500</output>

<result>500</result>