In a certain workshop, the original number of male workers was female workers (5/4), and then 2 female workers were transferred in. Now the ratio of female workers to male workers is 5:6. How many male workers were there in this workshop?
某车间原有男工人数是女工的(5/4)，后来又调入2名女工，现在女工人数与男工人数的比是5：6，这个车间原有男工多少人？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

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

<gadget id="calculator">(5/6) - (4/5)</gadget>
<output>1/30 = around 0.033333</output>

<gadget id="calculator">2 / (1/30)</gadget>
<output>60</output>

<result>60</result>