In a factory, there are 147 male employees, and the number of female employees is four times that of male employees. How many female employees are there in this factory?
一个工厂，有男职工147人，女职工的人数是男职工的4倍，这个工厂有女职工多少人？
<gadget id="calculator">147 * 4</gadget>
<output>588</output>

<result>588</result>