Two iron wires of the same length, one root is made into a square frame with side length 5dm, and the other is made into a rectangular parallelepiped frame with bottom side length 4dm, what is the height of the rectangular parallelepiped in dm?
两根同样长的铁丝，一个根做成棱长为5dm的正方体框架，另一根做成底面边长为4dm的长方体框架，这个长方体的高是多少dm．
<gadget id="calculator">5 * 12</gadget>
<output>60</output>

<gadget id="calculator">4 * 8</gadget>
<output>32</output>

<gadget id="calculator">60 - 32</gadget>
<output>28</output>

<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<result>7</result>