A section of road was traveled, the first time (1/4) of the whole journey, and the second time (2/9) of the whole journey, a total of 170 kilometers in two hours, how many kilometers is this section of road long?
行一段路，第一次行了全程的(1/4)，第二次行了全程的(2/9)，两时共行了170千米，这段路长多少千米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(1/4) + (2/9)</gadget>
<output>17/36 = around 0.472222</output>

<gadget id="calculator">170 / (17/36)</gadget>
<output>360</output>

<result>360</result>