Students stand in line to do exercises, boys stand in 5 rows, 16 people in each row, the number of girls is half of boys, how many girls are there?
同学们站队做操，男生站5行，每行16人，女生人数是男生的一半，女生有多少人？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">26 * (5/2)</gadget>
<output>65</output>

<result>65</result>