Two road repair teams built a road. Team A repaired 26% of the total length, Team B repaired 28 kilometers, and the two teams repaired 46% of the total length. How long is this road in kilometers?
两个修路队修一条路，甲队修了全长的26%，乙队修了28千米，两队共修了全长的46%，这条公路长多少千米？
<gadget id="calculator">46 / 100</gadget>
<output>23/50 = around 0.46</output>

<gadget id="calculator">26 / 100</gadget>
<output>13/50 = around 0.26</output>

<gadget id="calculator">(23/50) - (13/50)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">28 / (1/5)</gadget>
<output>140</output>

<result>140</result>