There are 252 students in the sixth grade, accounting for 1/5 of the total number of students in the school, and the number of girls accounts for 55% of the whole school. How many girls are there in the whole school?
六年级有学生252人，占全校学生人数的(1/5)，女生人数占全校的55%，问全校女生有多少人？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">252 / (1/5)</gadget>
<output>1_260</output>

<gadget id="calculator">55 / 100</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">1_260 * (11/20)</gadget>
<output>693</output>

<result>693</result>