A road repair team repaired a road. On the first day, it repaired 65.18 meters. On the second day, it repaired 15.5 meters more than the first day. On the third day, it repaired 2.79 meters less than the second day. How many meters were repaired on the third day?
某修路队修一条公路，第一天修了65.18米，第二天比第一天多修了15.5米，第三天比第二天少修了2.79米，第三天修了多少米？
<gadget id="calculator">15.5 - 2.79</gadget>
<output>12.71</output>

<gadget id="calculator">65.18 + 12.71</gadget>
<output>77.89</output>

<result>77.89</result>