There are 20 boys in the art class and girls (5/6). How many girls are there?
美术班有男生20人，是女生的(5/6)，女生有多少人？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">20 / (5/6)</gadget>
<output>24</output>

<result>24</result>