There are 36 boys and 42 girls participating in the painting group of the school. What percentage of the painting group are girls?
参加学校绘画组的男生有36人，女生有42人，其中女生占整个绘画组的几分之几？
<gadget id="calculator">36 + 42</gadget>
<output>78</output>

<gadget id="calculator">42 / 78</gadget>
<output>7/13 = around 0.538462</output>

<result>7/13 = around 0.538462</result>