A rope has been used for 14 meters, and the remaining length is shorter than the used one (1/7), how many meters is the remaining length of this rope shorter than the used one?
一条绳子，用去了14米，余下的长度比用去短(1/7)，这条绳子余下的长度比用去短多少米？
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">14 * (1/7)</gadget>
<output>2</output>

<result>2</result>