A train from Wuhan to Guangzhou has traveled 176.5 kilometers, and the remaining distance is three times the distance traveled. How many kilometers is the railway from Wuhan to Guangzhou?
一列火车从武汉开往广州，已经行驶了176.5千米，剩下的路程是已行路程的3倍，武汉到广州的铁路长多少千米？
<gadget id="calculator">176.5 * 3</gadget>
<output>529.5</output>

<gadget id="calculator">529.5 + 176.5</gadget>
<output>706</output>

<result>706</result>