ship travels 12.56 kilometers per hour from point A to point B and arrives in 24 hours. If it travels 6.28 kilometers per hour, how many hours will it take to arrive?
一艘轮船从A地到B地，每小时行12.56千米，24小时到达，如果每小时行6.28千米，需要多少小时到达？
<gadget id="calculator">24 / 6.28</gadget>
<output>3.821656</output>

<gadget id="calculator">12.56 * 3.821656</gadget>
<output>47.999999</output>

<result>47.999999</result>