After sawing a small cylinder with a length of 2 decimeters from a cylindrical wood with a length of 12 decimeters, the surface area is reduced by 12.56 decimeters squared. Q: What is the volume of the remaining wood in cubic decimeters?
从长12分米的圆柱形木料上锯下一段长2分米的小圆柱后，表面积减少了12.56平方分米．问：剩下木料的体积是多少立方分米？
<gadget id="calculator">12.56 / 2 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">3.14 * 1 * 10</gadget>
<output>31.4</output>

<result>31.4</result>