After cutting a 2-meter-long cuboid into two 1-meter-long pieces, the surface area increases by 0.04 square meters. What is the original volume of this piece of wood in cubic meters?
把一根长2米的长方体木料截成2根长1米的木料后，表面积增加了0.04平方米，原来这根木料的体积是多少立方米．
<gadget id="calculator">0.04 / 2</gadget>
<output>0.02</output>

<gadget id="calculator">0.02 * 2</gadget>
<output>0.04</output>

<result>0.04</result>