The number of boys in class 5 and 3 is 7 times less than that of girls, there are 27 boys, how many girls are there?
五3班男生人数比女生的2倍少7人，男生有27人，女生有多少人？
<gadget id="calculator">27 + 7</gadget>
<output>34</output>

<gadget id="calculator">34 / 2</gadget>
<output>17</output>

<result>17</result>