For a rope, Xiao Ming subtracted 2.3 meters for the first time, and 3.8 meters for the second time, leaving 1 meter. How long is this rope?
一根绳，小明第一次减去2.3米，第二次减去3.8米，还剩1米，这根绳长多少米？
<gadget id="calculator">2.3 + 3.8 + 1</gadget>
<output>7.1</output>

<result>7.1</result>