A cylinder of wood is 4.5 meters long, and it is equally divided into 5 small cylinders, and the surface area increases by 160 square centimeters. What is the volume of each small cylinder in cubic decimeters?
一个圆柱体木料长4.5米，把它平均分成5个小圆柱体，表面积增加了160平方厘米，每个小圆柱体的体积是多少立方分米．
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">160 / 100 / 8</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 / 5</gadget>
<output>2</output>

<gadget id="calculator">(1/5) * 4.5 * 2</gadget>
<output>1.8</output>

<result>1.8</result>