For a road, the full length (1/3) was repaired on the first day, and (1/2) was repaired on the second day, and how much of the full length was repaired on the second day.
一条路，第一天修了全长的(1/3)，第二天修的是第一天的(1/2)，第二天修了全长的多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) * (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>