After enclosing a square with a side length of 9 cm with a piece of string, there is 10 cm left of the rope, how long is the rope in cm?
用一根线绳子围成一个边长9厘米的正方形后，绳子还剩10厘米，这根绳子长多少厘米？
<gadget id="calculator">9 * 4</gadget>
<output>36</output>

<gadget id="calculator">36 + 10</gadget>
<output>46</output>

<result>46</result>