The road repair team repairs a 300-kilometer road. On the first day, it repairs the full length (1/6), and on the second day, it repairs the full length (1/5). How many kilometers will it take to complete the repair?
修路队修一条长300千米的公路，第一天修了全长的(1/6)，第二天修了全长的(1/5)，还要修多少千米才能修完？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/6) + (1/5)</gadget>
<output>11/30 = around 0.366667</output>

<gadget id="calculator">1 - (11/30)</gadget>
<output>19/30 = around 0.633333</output>

<gadget id="calculator">300 * (19/30)</gadget>
<output>190</output>

<result>190</result>