A certain factory originally had 300 employees, of which male workers accounted for 40% of the total number of workers in the factory. This year, a group of male workers were recruited. At this time, male workers accounted for (1/2) of the total number of workers in the factory. How many male workers will be recruited this year?
某厂原有职工300人，其中男工占全厂总人数的40%，今年又招进一批男工，这时男工占全厂总人数的(1/2)．今年招进男工多少人．
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">300 * (3/5)</gadget>
<output>180</output>

<gadget id="calculator">300 * (2/5)</gadget>
<output>120</output>

<gadget id="calculator">180 - 120</gadget>
<output>60</output>

<result>60</result>