It took three days to complete the task of digging a canal. On the first day, I dug the full length (1/3), on the second day I dug the full length (1/2), on the third day I dug the full length ((())/ (()))How many.
挖一条水渠三天完成任务，第一天挖了全长的(1/3)，第二天挖了全长的(1/2)，第三天挖了全长的((())/(()))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 - (1/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

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