If a car travels half of the distance between two places 56 kilometers apart in half an hour, how many kilometers does the car travel?
相距56千米的两地，一辆小汽车半小时行驶了全部路程的一半，这辆小汽车行驶了多少千米．
<gadget id="calculator">56 / 2</gadget>
<output>28</output>

<result>28</result>