The distance between A and B is 360 kilometers. A car is driving from A to B to deliver goods. It is planned to arrive in 10 hours. Because the road is smooth, it actually travels 4 kilometers more than planned per hour. How long does it take to arrive at B?
甲乙两地相距360千米，一辆汽车从甲地开往乙地送货，计划10小时到达，由于道路通畅，实际每小时比计划多行4千米，实际多少小时到达乙地？
<gadget id="calculator">360 / 10</gadget>
<output>36</output>

<gadget id="calculator">36 + 4</gadget>
<output>40</output>

<gadget id="calculator">360 / 40</gadget>
<output>9</output>

<result>9</result>