The ratio of length, width, and height of a cuboid is 3:4:5, and the sum of the lengths of the sides is 240 cm. What is the volume of the cuboid?
一个长方体的长、宽、高的比是3：4：5，棱长之和是240厘米，这个长方体的体积是多少？
<gadget id="calculator">240 / 4</gadget>
<output>60</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">60 * (1/4)</gadget>
<output>15</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">60 * (1/3)</gadget>
<output>20</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">60 * (5/12)</gadget>
<output>25</output>

<gadget id="calculator">15 * 20 * 25</gadget>
<output>7_500</output>

<result>7_500</result>