There is a piece of potato in a container, the potato is taken out, the water level drops by 6 mm, and a cone with a bottom diameter of 20 cm and a height of 2 cm is put into the container, the water level rises by 3 mm. Question: What is the volume of a potato?
一个容器里放着一块马铃薯，把马铃薯拿出，水面降了6毫米，再把一块底面直径20厘米，高为2厘米的圆锥放进容器里，水面上升了3毫米．问：马铃薯的体积是多少？
<gadget id="calculator">62.8 * 0.6</gadget>
<output>37.68</output>

<result>37.68</result>