Girls participated in the mathematics competition 12 more than boys, all boys got excellent, 75% of girls got excellent, 37 boys and girls got excellent. How many girls participated?
参加数学竞赛的女生比男生多12人，男生全部得优，女生75%得优，男、女生共37人得优．女生参赛的有多少人？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">12 * (3/4)</gadget>
<output>9</output>

<gadget id="calculator">37 - 9</gadget>
<output>28</output>

<gadget id="calculator">(3/4) + 1</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">28 / (7/4)</gadget>
<output>16</output>

<gadget id="calculator">16 + 12</gadget>
<output>28</output>

<result>28</result>