rope is 56 meters long. (1/2) of the rope is used for the first time, and (1/2) of the first time is used for the second time. How many meters is used for the second time?
一条绳子长56米，第一次用去绳子的(1/2)，第二次用去了第一次用去的(1/2)，第二次用去多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">56 * (1/2) * (1/2)</gadget>
<output>14</output>

<result>14</result>