A colored ribbon forms a square with a side length of 6 cm and there are 2 cm left, what is the length of the colored ribbon in cm
一根彩带围成一个边长6厘米的正方形后还剩2厘米，这根彩带长多少厘米
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">24 + 2</gadget>
<output>26</output>

<result>26</result>