It is known that the distance between Anyang and Zhengzhou is 200 kilometers. A car has driven from Anyang to Zhengzhou, and it has traveled the full length (3/4). How far will this car go to reach Zhengzhou?
已知安阳与郑州相距200千米，一辆汽车从安阳开往郑州，已经走了全长的(3/4)，这辆汽车还有多远到达郑州？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">200 * (1/4)</gadget>
<output>50</output>

<result>50</result>