There are 36 students swimming in the swimming pool, among them (5/9) are boys, how many girls are there?
游泳池里有36名学生在游泳，其中(5/9)是男生，女生有多少人？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 - (5/9)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">36 * (4/9)</gadget>
<output>16</output>

<result>16</result>