An express train and a slow train depart from A and B oppositely at the same time, and meet at a distance of 8 kilometers from the midpoint. When they meet, the express train travels 60% of the journey, how many kilometers does the slow train travel?
一辆快车和一辆慢车同时从A，B两地相对开出，在距中点8千米处相遇，相遇时，快车行了全程的60%，慢车行了多少千米．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/5) - (1/2)</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">8 / (1/10)</gadget>
<output>80</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">80 * (2/5)</gadget>
<output>32</output>

<result>32</result>