A car travels 300 kilometers from city A to city B in 6 hours. At this time, it is still 220 kilometers away from city B. If the speed remains the same, how many hours did it take to reach city B?
一辆汽车从甲城开往乙城，6小时行驶了300千米，这时距乙城还有220千米，如果速度不变，到达乙城时共行驶了多少小时？
<gadget id="calculator">300 + 220</gadget>
<output>520</output>

<gadget id="calculator">300 / 6</gadget>
<output>50</output>

<gadget id="calculator">520 / 50</gadget>
<output>52/5 = around 10.4</output>

<result>52/5 = around 10.4</result>