If a 3-meter-long log is cut into 4 sections, and the surface area is increased by 30.48 square decimeters, what is the volume of this cylinder of wood in cubic decimeters?
把一根3米长的木头截成4段，表面积比原来增加30.48平方分米，这根圆柱体木头的体积是多少立方分米．
<gadget id="calculator">30.48 / 6</gadget>
<output>5.08</output>

<gadget id="calculator">3 * 10</gadget>
<output>30</output>

<gadget id="calculator">5.08 * 30</gadget>
<output>152.4</output>

<result>152.4</result>