The school has a total of 2100 students, of which boys account for 8/15 of the total number. How many girls are there?
学校共有2100名学生，其中男生占总人数的(8/15)．女生有多少人？
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">1 - (8/15)</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">2_100 * (7/15)</gadget>
<output>980</output>

<result>980</result>