Cut the largest square out of a rectangle with a length of 15 cm and a width of 8 cm. What is the perimeter of the square in cm?
在一个长为15cm，宽为8cm的长方形里剪一个最大的正方形，正方形的周长是多少cm
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<result>32</result>