A cuboid piece of wood with a length of 2m has a cross-sectional area of 0.64dm**2. What is the volume of this piece of wood in cubic meters?
一根长2m的长方体木料，横截面积是0.64dm**2，这根木材的体积是多少立方米．
<gadget id="calculator">0.0064 * 2</gadget>
<output>0.0128</output>

<result>0.0128</result>