A cuboid log has a cross section of a square with side length 0.4m, and the length of the log is 3m. What is its volume in cubic meters?
一根长方体木料，它的横截面是边长为0.4m的正方形，木料长3m．它的体积是多少立方米？
<gadget id="calculator">0.4 * 0.4 * 3</gadget>
<output>0.48</output>

<result>0.48</result>