For a road, the ratio of the repaired length to the unrepaired length is 1:4. If another 130 meters are repaired, the ratio of the repaired length to the unrepaired length is 4:3. How long is this road in meters?
一条路，已修的长度与未修的长度的比是1：4，如果再修130米，已修的长度与未修的长度的比是4：3，这条路全长多少米？
<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 + 4</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(4/7) - (1/5)</gadget>
<output>13/35 = around 0.371429</output>

<gadget id="calculator">130 / (13/35)</gadget>
<output>350</output>

<result>350</result>