The road construction team repaired a road. On the first day, 40% of the total length was repaired, and 30 meters were repaired on the second day, and 18 meters were left unrepaired. How long is this road in total?
修路队修一条公路，第一天修了全长的40%，第二天修了30米，还有18米没有修，这条公路一共有多长？
<gadget id="calculator">30 + 18</gadget>
<output>48</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">48 / (3/5)</gadget>
<output>80</output>

<result>80</result>