The sum of the lengths of the sides of a cuboid is 60 decimeters, and the ratio of length, width, and height is 6:4:5. What is the volume of the cuboid?
长方体的棱长之和是60分米，长、宽、高的比是6：4：5，长方体的体积是多少？
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">6 + 4 + 5</gadget>
<output>15</output>

<gadget id="calculator">6 / 15</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">15 * (2/5)</gadget>
<output>6</output>

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">15 * (4/15)</gadget>
<output>4</output>

<gadget id="calculator">5 / 15</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (4/15) * 15 * (1/3) * 15 * (2/5)</gadget>
<output>120</output>

<result>120</result>