There are 1323 students in our school, and girls account for 11/21 of the total. How many boys are there in the school?
我们学校共有学生1323人，女生占总人数的(11/21)．学校有男生多少人？
<gadget id="calculator">11 / 21</gadget>
<output>11/21 = around 0.52381</output>

<gadget id="calculator">1_323 * (11/21)</gadget>
<output>693</output>

<gadget id="calculator">1_323 - 693</gadget>
<output>630</output>

<result>630</result>