The express train and the slow train depart from A and B oppositely at the same time, and the express train travels 33 kilometers per hour, and travels the whole distance (4/7) when they meet each other. It is known that the slow train takes 8 hours to complete the journey, then the two places A and B How many kilometers apart.
快车和慢车同时从甲、乙两地相对开出，快车每小时行33千米，相遇行了全程的(4/7)，已知慢车行完全程需要8小时，则甲、乙两地相距多少千米．
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">33 / (4/7)</gadget>
<output>231/4 = around 57.75</output>

<gadget id="calculator">(3/7) * 8 * (231/4)</gadget>
<output>198</output>

<result>198</result>