A square log with a length of 2 meters is cut into two cuboids parallel to the cross section, and the surface area is 32 square centimeters larger than the original one. What is the original volume of this square log in cubic decimeters?
一个长2米的方木，平行于横截面截成两个长方体后，表面积比原来多了32平方厘米，原来这根方木的体积是多少立方分米．
<gadget id="calculator">32 / 2</gadget>
<output>16</output>

<gadget id="calculator">100 / 1_000</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">16 * 2 * (1/10)</gadget>
<output>16/5 = around 3.2</output>

<result>16/5 = around 3.2</result>