A cuboid wooden block is 2 meters long, 1 meter wide and 0.5 meters high, what is its volume in cubic meters
一个长方体木块，长2米，宽1米，高0.5米，它的体积是多少立方米
<gadget id="calculator">2 * 1 * 0.5</gadget>
<output>1</output>

<result>1</result>