There are 500 employees in a certain factory, and the attendance rate on a certain day is 98%, among which female workers account for 60% of the present workers. How many male workers are present on that day?
某工厂有职工500人，某天出勤率是98%，其中出勤女工占出勤职工的60%，这天出勤的男工有多少人？
<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">500 * (49/50) * (2/5)</gadget>
<output>196</output>

<result>196</result>