A certain textile factory had 40% female employees, and later recruited 50 more. This means that the number of female workers accounted for exactly 50% of all employees. How many employees did the textile factory have?
某纺织厂有女职工40%，后来又招收了50名，这是女工人数正好占全部职工的50%，该纺织厂原有职工多少名？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) / (1/2)</gadget>
<output>1</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(2/5) / (3/5)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">50 / (1/3) / (3/5)</gadget>
<output>250</output>

<result>250</result>