There are 280 male workers in a certain factory, and female workers account for 40% of the male workers. How many employees are there in the whole factory?
某厂有男工280人，女工是男工的40%，全厂有职工多少人？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">280 * (7/5)</gadget>
<output>392</output>

<result>392</result>