If a 2-meter-long cuboid is sawed into 2 pieces, the surface area increases by 22 square decimeters. What is the original volume of the wood in cubic decimeters?
把一根长2米的长方体木材锯成2段，表面积增加了22平方分米，这根木材原来的体积是多少立方分米．
<gadget id="calculator">22 / 2</gadget>
<output>11</output>

<gadget id="calculator">2 * 10</gadget>
<output>20</output>

<gadget id="calculator">11 * 20</gadget>
<output>220</output>

<result>220</result>