A project can be completed by A alone in 40 days and B alone in 60 days. Two people work together, and A takes a 5-day break due to work, how many days did A work when the task is completed?
一项工程，甲单独做40天完成，乙单独做60天完成．两人合作，甲中途因事情休息5天，完成任务时甲工作了多少天？
<gadget id="calculator">1 / 60</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">(1/60) * 5</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 - (1/12)</gadget>
<output>11/12 = around 0.916667</output>

<gadget id="calculator">1 / 40</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">(1/40) + (1/60)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">(11/12) / (1/24)</gadget>
<output>22</output>

<result>22</result>