Use a 280 cm iron wire to form a cuboid. The ratio of the length, width and height of the cuboid is 15:12:8. Find the volume of the cuboid?
用一根280厘米的铁丝围成一个长方体，长方体的长、宽、高的比是15：12：8．求长方体的体积？
<gadget id="calculator">280 / 4</gadget>
<output>70</output>

<gadget id="calculator">15 + 12 + 8</gadget>
<output>35</output>

<gadget id="calculator">15 / 35</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">70 * (3/7)</gadget>
<output>30</output>

<gadget id="calculator">8 / 35</gadget>
<output>8/35 = around 0.228571</output>

<gadget id="calculator">70 * (8/35)</gadget>
<output>16</output>

<gadget id="calculator">30 * 24 * 16</gadget>
<output>11_520</output>

<result>11_520</result>