There are 1,520 students in Guangming Primary School, 120 more boys than girls. How many girls are there in Guangming Primary School?
光明小学一共有1520名学生，男生比女生多120人，光明小学有女生多少人？
<gadget id="calculator">1_520 - 120</gadget>
<output>1_400</output>

<gadget id="calculator">1_400 / 2</gadget>
<output>700</output>

<result>700</result>