The distance between A and B is 768 kilometers, and a train travels between A and B for 24 hours. How many kilometers per hour does the train travel on average?
甲、乙两地相距768千米，一列火车往返甲乙两地共行驶了24小时．这列火车平均每小时行驶多少千米？
<gadget id="calculator">2 / 24</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">768 * (1/12)</gadget>
<output>64</output>

<result>64</result>