The train travels from Zhengzhou to Beijing. It takes 6 hours on both the flat road and the ramp. The speed of the flat road is 150 km/h, and the speed of the ramp is 85 km/h. How far is it from Zhengzhou to Beijing?
火车从郑州到北京，平道和坡道各行驶了6小时，平道行驶的速度为150千米/小时，坡道行驶的速度为85千米/小时，郑州到北京有多远？
<gadget id="calculator">150 * 6</gadget>
<output>900</output>

<gadget id="calculator">85 * 6</gadget>
<output>510</output>

<gadget id="calculator">900 + 510</gadget>
<output>1_410</output>

<result>1_410</result>