The sum of the lengths of the sides of a cuboid is 240 cm, and the ratio of length to width to height is 5:4:3. What is the volume of the cuboid in cubic centimeters?
一个长方体的棱长总和是240厘米，长宽高的比是5：4：3，这个长方体的体积是多少立方厘米？
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">240 / 4 / 12</gadget>
<output>5</output>

<gadget id="calculator">5 * 5 * 5 * 4 * 5 * 3</gadget>
<output>7_500</output>

<result>7_500</result>