There are 840 boys in the experimental primary school, and the number of female students is equal to that of male students (5/6). How many students are there in this primary school?
实验小学共有男生840人，女同学的人数是男同学的(5/6)，这所小学共有小学生多少人？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">840 * (5/6)</gadget>
<output>700</output>

<gadget id="calculator">700 + 840</gadget>
<output>1_540</output>

<result>1_540</result>