Use a 32 cm long iron wire to make a cuboid frame so that the ratio of its length, width and height is 5:2:1. What is the length of the cuboid frame in cm?
用一根32厘米长的铁丝做一个长方体框架，使它的长、宽、高的比是5：2：1．这个长方体框架的长是多少厘米．
<gadget id="calculator">32 / 4</gadget>
<output>8</output>

<gadget id="calculator">5 + 2 + 1</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">8 * (5/8)</gadget>
<output>5</output>

<result>5</result>