car drives from city A to city B in one day, and travels the whole distance in the morning (7/13), what percentage of the journey is longer in the morning than in the afternoon?
一辆汽车用一天的时间从甲城开往乙城，上午行了全程的(7/13)，上午比下午多行全程的几分之几？
<gadget id="calculator">7 / 13</gadget>
<output>7/13 = around 0.538462</output>

<gadget id="calculator">1 - (7/13)</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">(7/13) - (6/13)</gadget>
<output>1/13 = around 0.076923</output>

<result>1/13 = around 0.076923</result>