Teacher Zhang made a rectangular parallelepiped frame with 72 cm wire. The length of this rectangular parallelepiped is 7 cm, the width is 6 cm, and how many centimeters is the height?
张老师用72厘米的铁丝做个长方体框架，这个长方体的长是7厘米，宽是6厘米，高是多少厘米？
<gadget id="calculator">72 / 4</gadget>
<output>18</output>

<gadget id="calculator">7 + 6</gadget>
<output>13</output>

<gadget id="calculator">18 - 13</gadget>
<output>5</output>

<result>5</result>