The May 1st class went to a certain place to visit, and the time spent on the road accounted for (1/6), the time spent for lunch and rest time accounted for (3/10), and the rest was the time for sightseeing, and the time for sightseeing accounted for What percentage?
五一班去某地参观，其中路上用去的时间占(1/6)，吃午饭用去的时间和休息的时间共占(3/10)，剩下的是游览时间，游览的时间占几分之几？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (1/6) - (3/10)</gadget>
<output>8/15 = around 0.533333</output>

<result>8/15 = around 0.533333</result>