A chemical factory has three workshops. The ratio of the number of people in the first, second and third workshops is 8:12:21, and the number of people in the first workshop is 80 less than that in the second workshop. Among them, the number of female workers accounts for (2/5) of the total number of workers in the three workshops. How many female workers are there in this factory?
某化工厂有三个车间．第一、二、三车间人数的比为8：12：21，第一车间人数比第二车间人数少80人．其中，女职工人数占三个车间总人数的(2/5)，这个工厂有女职工多少人？
<gadget id="calculator">8 + 12 + 21</gadget>
<output>41</output>

<gadget id="calculator">12 / 41</gadget>
<output>12/41 = around 0.292683</output>

<gadget id="calculator">8 / 41</gadget>
<output>8/41 = around 0.195122</output>

<gadget id="calculator">(12/41) - (8/41)</gadget>
<output>4/41 = around 0.097561</output>

<gadget id="calculator">80 / (4/41)</gadget>
<output>820</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">820 * (2/5)</gadget>
<output>328</output>

<result>328</result>