There are several workers in a certain factory, among which female workers account for (5/8). Later, 10 male workers were recruited, and the number of female workers accounted for (3/5) of the existing number. How many female workers are there in the factory?
某工厂有工人若干名，其中女工占(5/8)．后来收了10名男工，这时女工人数占现有人数的(3/5)．该厂有女工多少人？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

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

<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(2/3) - (3/5)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">10 / (1/15)</gadget>
<output>150</output>

<result>150</result>