To make a batch of parts, A alone needs 10 hours, and B can only make (5/6) of this batch of parts in the same time. Request the time for the two to cooperate to complete this batch of tasks?
做一批零件，甲独做要用10小时，乙在相同的时间内只能做这批零件的(5/6)．请求出两人合作完成这批任务的时间？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(1/10) * (5/6)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/10) + (1/12)</gadget>
<output>11/60 = around 0.183333</output>

<gadget id="calculator">1 / (11/60)</gadget>
<output>60/11 = around 5.454545</output>

<result>60/11 = around 5.454545</result>