In a certain factory, the number of female employees accounted for (4/9) of the total number of employees, and later 10 female employees left due to an accident. At this time, the number of female employees accounted for (2/5) of the total number of employees. How many male employees are there in the factory? ?
某工厂原来女职工人数占职工总人数的(4/9)，后来有10名女职工因事离开，这时女职工人数占现在职工总人数的(2/5)，工厂有男职工多少人？
<gadget id="calculator">9 - 4</gadget>
<output>5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5 - 2</gadget>
<output>3</output>

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

<gadget id="calculator">(4/5) - (2/3)</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">10 / (2/15)</gadget>
<output>75</output>

<result>75</result>