A certain factory has (4/7) male workers in the whole factory, and (3/8) of them attend night school. It is known that 84 male workers participated in night school. How many female workers are there in this factory?
某厂男职工占全厂的(4/7)，其中(3/8)的男职工参加夜校学习，已知参加夜校的男职工有84人．则该厂女职工有多少人？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">84 / (3/8) / (4/7)</gadget>
<output>392</output>

<gadget id="calculator">1 - (4/7)</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">392 * (3/7)</gadget>
<output>168</output>

<result>168</result>