Big Big Wolf walks from Wolf Castle to Yangcun to catch sheep. It takes 2 hours for the whole journey (3/7). How long will it take to reach Yangcun?
灰太狼步行从狼堡出发到羊村去捉羊，用2小时行了全程的(3/7)，它到达羊村还要多少时间？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">1 - (3/7)</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">(3/7) / 2</gadget>
<output>3/14 = around 0.214286</output>

<gadget id="calculator">(4/7) / (3/14)</gadget>
<output>8/3 = around 2.666667</output>

<result>8/3 = around 2.666667</result>