After sawing the largest square from a rectangular piece of wood with a length of 13 cm and a width of 8 cm, what is the perimeter of the remaining rectangle in cm?
在一块长13公分，宽8公分的长方形木块上锯下一个最大的正方形后，剩下的长方形的周长是多少公分？
<gadget id="calculator">13 - 8</gadget>
<output>5</output>

<gadget id="calculator">8 + 5</gadget>
<output>13</output>

<gadget id="calculator">13 * 2</gadget>
<output>26</output>

<result>26</result>