There is a rectangular piece of wood with a length of 3 meters. After sawing into small pieces of 1 meter each, the surface area increases by 220 square decimeters. What is the volume of this piece of wood in cubic meters?
有一根长3米的长方形木料，锯成每根1米的小段后，表面积增加了220平方分米，原来这根木料的体积是多少立方米？
<gadget id="calculator">220 / 4</gadget>
<output>55</output>

<gadget id="calculator">10 / 1_000</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">55 * 3 * (1/100)</gadget>
<output>33/20 = around 1.65</output>

<result>33/20 = around 1.65</result>