The two cars, the fast and the slow, drive from opposite places at the same time, and meet at a distance of 8 kilometers from the midpoint.
快慢两车同时从两地相对开出，且在离中点8千米处相遇，相遇时慢车行了全程的(1/4)，两地相距多少千米？
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4) - (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 / (1/2)</gadget>
<output>32</output>

<result>32</result>