Two cars A and B drive opposite each other from AB. When A travels the whole distance (3/5), B travels the whole distance (5/8). What percentage of the distance between the two cars?
甲乙两辆汽车从AB两地相对开出，当甲行了全程的(3/5)时，乙行了全程的(5/8)，这时甲乙两辆汽车相距全程的几分之几？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(5/8) - 1</gadget>
<output>-3/8 = around -0.375</output>

<gadget id="calculator">(3/5) + (-3/8)</gadget>
<output>9/40 = around 0.225</output>

<result>9/40 = around 0.225</result>