There are two ropes. It is known that the length of the short rope is 9 meters, and the length of the long rope is 3 times longer than the short rope, 3 meters. How many meters is the long rope?
有两根绳子，已知短绳的长度为9米，长绳的长度是短绳的3倍多3米，长绳有多少米？
<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<gadget id="calculator">27 + 3</gadget>
<output>30</output>

<result>30</result>