A cuboid log is 4 meters long and has a cross-sectional area of 0.05 square meters. What is the volume of this log in cubic meters?
一根长方体木料长4米，横截面面积是0.05平方米，这根木料的体积是多少立方米．
<gadget id="calculator">0.05 * 4</gadget>
<output>0.2</output>

<result>0.2</result>