The sum of the sides of a cuboid is 64 cm, its length is 8 cm, its width is 3 cm, what is its height?
一个长方体的棱长之和是64厘米，它的长为8厘米，宽为3厘米，高是多少？
<gadget id="calculator">64 / 4</gadget>
<output>16</output>

<gadget id="calculator">8 + 3</gadget>
<output>11</output>

<gadget id="calculator">16 - 11</gadget>
<output>5</output>

<result>5</result>