A rope is 6.5 meters long, 2.45 meters are used for the first time, and 3.68 meters are used for the second time, how many meters are left?
一根绳子长6.5米，第一次用去2.45米，第二次用去3.68米，还剩多少米？
<gadget id="calculator">6.5 - 2.45 - 3.68</gadget>
<output>0.37</output>

<result>0.37</result>