If a 1.5-meter-long cylinder is sawed into 3 sections, the surface area increases by 1.2 square meters. What is the original volume of this cylinder in cubic meters?
把一根长1.5米的圆柱形木料锯成3段，表面积增加了1.2平方米，原来这根圆柱体积是多少立方米．
<gadget id="calculator">1.2 / 4</gadget>
<output>0.3</output>

<gadget id="calculator">0.3 * 1.5</gadget>
<output>0.45</output>

<result>0.45</result>