What is the volume of a cuboid whose length is 10 decimeters, width is 5 decimeters, and height is 4 decimeters?
一个长方体，长是10分米，宽是5分米，高是4分米，体积是多少．
<gadget id="calculator">10 * 5 * 4</gadget>
<output>200</output>

<result>200</result>