The distance between A and B is 182 km. A tourist bus travels from A to B at an average of 52 kilometers per hour; a car departs from A at the same time and travels 56 kilometers per hour. Which car arrives first? How early is it?
甲、乙两地相距182千米．一辆旅游车从甲地开往乙地，平均每小时行驶52千米；一辆小轿车同时从甲地出发，每小时行驶56千米．哪辆车先到？先到多少时间？
<gadget id="calculator">182 / 52</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">182 / 56</gadget>
<output>13/4 = around 3.25</output>

<gadget id="calculator">(7/2) - (13/4)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>