The railway from Zhuzhou to Beijing is 2050 kilometers long. Uncle Wang took the train from Zhuzhou to Beijing and traveled 246 kilometers in the first 3 hours. At this speed, how many hours will it take to get to Beijing?
株洲到北京的铁路长2050千米．王叔叔乘火车从株洲去北京，前3小时行驶了246千米，照这样的速度，还要行驶几小时才能到北京？
<gadget id="calculator">2_050 - 246</gadget>
<output>1_804</output>

<gadget id="calculator">246 / 3</gadget>
<output>82</output>

<gadget id="calculator">1_804 / 82</gadget>
<output>22</output>

<result>22</result>