A rope is 26.2 meters long, 7.2 meters are used for the first time, and 3.8 meters are used for the second time, how many meters are left?
一条绳子长26.2米，第一次用去7.2米，第二次用去3.8米，还剩多少米？
<gadget id="calculator">26.2 - 7.2 - 3.8</gadget>
<output>15.2</output>

<result>15.2</result>