The length and width of the glass jar are both 10cm. Put a piece of potato into the glass jar filled with water. The water depth is raised from the original 8cm to 10cm high. What is the volume of the potato in cubic centimeters?
玻璃缸的长和宽都是10cm，把一块土豆放入装有水的玻璃缸内，水深由原来的8cm升到10cm高．这土豆的体积是多少立方厘米．
<gadget id="calculator">10 - 8</gadget>
<output>2</output>

<gadget id="calculator">10 * 10 * 2</gadget>
<output>200</output>

<result>200</result>