The Taihu Lake International Road Cycling Race is divided into 5 stages. The ratio of the length of the fourth stage to the total schedule is 1:6. The fifth stage is 120 kilometers long, and the total length of these two stages accounts for (11/30) of the total race schedule. How many kilometers is the total distance of the Taihu International Road Cycling Race?
环太湖国际公路自行车赛共分5个赛段．其中第四赛段的长度与总赛程的比是1：6．第五赛段长120千米，这两个赛段的总长占总赛程的(11/30)．环太湖国际公路自行车赛的总赛程是多少千米？
<gadget id="calculator">11 / 30</gadget>
<output>11/30 = around 0.366667</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(11/30) - (1/6)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">120 / (1/5)</gadget>
<output>600</output>

<result>600</result>