To build a highway, team A has built 55% of the total length, team B has built 35% of the total length, and team A has repaired 240Km more than team B. How long is this road in km?
修一条高速公路，甲队修了全长的55%，乙队修了全长的35%，甲队比乙队多修240Km．这条公路全长多少Km？
<gadget id="calculator">55 / 100</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">(11/20) - (7/20)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">240 / (1/5)</gadget>
<output>1_200</output>

<result>1_200</result>