A square tablecloth has a side length of 8 decimeters. If lace is embroidered around it, how many decimeters is the lace length?
一张正方形的台布，边长是8分米，如果在四周绣上花边，花边长多少分米？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<result>32</result>