3.8 meters are cut off from a rope, and 1.7 meters remain. How long is the rope originally?
一条绳子剪去3.8米，还剩1.7米，这条绳子原来长多少米？
<gadget id="calculator">3.8 + 1.7</gadget>
<output>5.5</output>

<result>5.5</result>