The cross-section of a cuboid is 0.03 square meters, if its length is 4 meters, what is its volume?
一块长方体木料的横截面是0.03平方米，如果它的长是4米，体积是多少．
<gadget id="calculator">0.03 * 4</gadget>
<output>0.12</output>

<result>0.12</result>