A cuboid is 2m long and has a cross-sectional area of 0.04m**2. What is its volume in m**3?
一根长方体的木料长2m，横截面积是0.04m**2，它的体积是多少m**3．
<gadget id="calculator">0.04 * 2</gadget>
<output>0.08</output>

<result>0.08</result>