The sum of the sides of a cuboid is 48 cm, and the ratio of length, width and height is 5:4:3. What is its volume?
一个长方体的棱长之和是48厘米，长宽高之比是5：4：3，它的体积是多少．
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

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

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

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

<gadget id="calculator">12 * (5/12) * 12 * (1/3) * 12 * (1/4)</gadget>
<output>60</output>

<result>60</result>