The number of female workers in Mengsi's family is the number of male workers (4/5). due to business. Another 30 female workers were transferred. At this time, the number of female workers is 10% higher than that of male workers. How many male workers does Mengsi's family have?
梦丝家的女工人数是男工人数的(4/5)．因工作需要．又调入女工30人．这时女工人数比男工人数多10%．梦丝家有男工多少人？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/10) - (4/5)</gadget>
<output>-7/10 = around -0.7</output>

<gadget id="calculator">1 + (-7/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">30 / (3/10)</gadget>
<output>100</output>

<result>100</result>