A cement brick has a length and width of 2 decimeters and a thickness of 6 cm. What is its volume?
一块水泥砖的长和宽都是2分米，厚6厘米．它的体积是多少？
<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">20 * 20 * 6</gadget>
<output>2_400</output>

<result>2_400</result>