road construction team paves a section of road. The ratio of paved to unpaved length is 5:3. The paved length is 30 meters longer than (1/2) of this section of road. What is the total length of this section of road in meters?
一个筑路队铺一段公路，已铺的和未铺的长度比是5：3，已铺的长度比这段公路的(1/2)还多30米，这段公路全长多少米．
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(5/8) - (1/2)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">30 / (1/8)</gadget>
<output>240</output>

<result>240</result>