The Huanshan Road in the urban area is widened. If this project is carried out by engineering team A, the task can be completed in 8 days; if it is carried out by engineering team B, the task can be completed in 10 days. It is known that engineering team A completed 30 meters more than engineering team B. How long is this road in meters?
市区环山路进行拓宽，这项工程如果由甲工程队来做，8天就可以完成任务；如果由乙工程队来做，10天就可以完成任务．已知甲工程队比乙工程队多完成30米．这段公路全长多少米？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/8) + (1/10)</gadget>
<output>9/40 = around 0.225</output>

<gadget id="calculator">1 / (9/40)</gadget>
<output>40/9 = around 4.444444</output>

<gadget id="calculator">(1/8) - (1/10)</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">30 / (40/9) / (1/40)</gadget>
<output>270</output>

<result>270</result>