A rope is 14 meters long, cut off (4/7), how many meters are left?
一根绳子长14米，剪去它的(4/7)，剩下多少米？
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">14 * (3/7)</gadget>
<output>6</output>

<result>6</result>