The sum of the lengths of the sides of a cuboid is 96 cm, the length is 9 cm, the width is 8 cm, and the height is cm.
长方体的棱长之和是96cm，长是9cm，宽是8cm，高是多少cm．
<gadget id="calculator">96 / 4</gadget>
<output>24</output>

<gadget id="calculator">24 - 9 - 8</gadget>
<output>7</output>

<result>7</result>