A rope encloses a square with a side length of 8 centimeters and 4 centimeters remain. What is the length of the rope in centimeters?
一根绳子围成一个边长是8厘米的正方形后还剩4厘米，这根绳子长多少厘米
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">32 + 4</gadget>
<output>36</output>

<result>36</result>