A potato is placed in a cylindrical container with a diameter of 2 decimeters and a height of 30 centimeters above the water surface. The water level rises by 1 centimeter. What is the volume of the potato in cubic centimeters?
把一个土豆放入直径是2分米，水面高是30厘米的圆柱形容器里，水面升高了1厘米，土豆的体积是多少立方厘米？
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 ** 2</gadget>
<output>100</output>

<gadget id="calculator">3.14 * 100 * 1</gadget>
<output>314</output>

<result>314</result>