A bundle of 108-meter-long iron wires is used to make a rectangular parallelepiped frame with a length of 10 meters, a width of 9 meters, and a height of several meters. (neglected at joints)
用一捆108米长的铁丝正好制成一个长10米、宽9米、高多少米的长方体框架．(接头处忽略不计)
<gadget id="calculator">108 / 4</gadget>
<output>27</output>

<gadget id="calculator">27 - 10 - 9</gadget>
<output>8</output>

<result>8</result>