A rope is cut in half by more than 5 meters, and there are 10 meters left. What is the length of the rope?
一根绳子剪去一半多5米，还剩10米，原来这根绳子长是多少米．
<gadget id="calculator">10 + 5</gadget>
<output>15</output>

<gadget id="calculator">15 * 2</gadget>
<output>30</output>

<result>30</result>