Master Wang takes (7/12) hours to complete a task, which is (1/12) hours less than Master Li. How many hours does it take Master Li to complete this task?
王师傅完成一项任务要(7/12)小时，比李师傅少用(1/12)小时，李师傅完成这项任务要用多少小时？
<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(7/12) + (1/12)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>