Use a 56cm long iron wire to weld a rectangular parallelepiped frame. If the length is 6cm, width is 4cm, what is the height?
用一根长56cm的铁丝焊成一个长方体框架，如果长是6cm，宽是4cm，高是多少．
<gadget id="calculator">56 / 4</gadget>
<output>14</output>

<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">14 - 10</gadget>
<output>4</output>

<result>4</result>