A cylindrical piece of wood is 8 meters long and has a cross-sectional area of 3.14 square decimeters. What is the volume of this piece of wood in cubic meters?
一根圆柱形木头，长8米，横截面面积是3.14平方分米，这根木头的体积是多少立方米？
<gadget id="calculator">3.14 / 100</gadget>
<output>0.0314</output>

<gadget id="calculator">0.0314 * 8</gadget>
<output>0.2512</output>

<result>0.2512</result>