There are 180 male workers and 200 female workers in a certain factory. How much less are male workers than female workers?
某工厂有男工180人，女工200人，男工人数比女工少几分之几？
<gadget id="calculator">200 - 180</gadget>
<output>20</output>

<gadget id="calculator">20 / 200</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>