In a rectangle with a length of 8 cm and a width of 5 cm, what is the perimeter of the remaining figure after cutting off the largest square?
在一个长8厘米，宽5厘米的长方形中，剪去一个最大的正方形后，剩下图形的周长是多少厘米
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>