Two candles of the same thickness and material have a length ratio of 29:26. After burning for 50 minutes, the length ratio of the long candle to the short candle is 11:9. How many minutes can the longer one burn?
两根粗细相同、材料相同的蜡烛，长度比为29：26，燃烧50分钟后，长蜡烛与短蜡烛的长度比为11：9，那么较长的那根还能燃烧多少分钟？
<gadget id="calculator">116 - 50</gadget>
<output>66</output>

<result>66</result>