The cross-sectional area of a cuboid is 8 square decimeters and its length is 2.5 meters. What is its volume?
一个长方体木料的横截面积是8平方分米，长是2.5米，它的体积是多少？
<gadget id="calculator">2.5 * 10</gadget>
<output>25</output>

<gadget id="calculator">8 * 25</gadget>
<output>200</output>

<result>200</result>