steel pipe with a length of 60 decimeters and a cross-sectional diameter of 4 decimeters is sawn into three sections according to the ratio of 3:4:5. What is the volume of the shortest section?
把一根长60分米，横截面的直径是4分米的钢管按3：4：5的比锯成三段，最短的一段体积是多少？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">3.14 * 4 * 60</gadget>
<output>753.6</output>

<gadget id="calculator">3 + 4 + 5</gadget>
<output>12</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">753.6 * (1/4)</gadget>
<output>188.4</output>

<result>188.4</result>