There are two ropes. The length of the first rope is 16 meters, which is 6 meters less than twice the length of the second rope. How many meters is the length of the second rope?
有两根绳子，第一根长16米，比第二根的2倍少6米，第二根绳子长多少米？
<gadget id="calculator">16 + 6</gadget>
<output>22</output>

<gadget id="calculator">22 / 2</gadget>
<output>11</output>

<result>11</result>