A primary school had 550 students in the last semester, and this semester has an increase of 2% compared with the previous semester. How many students are there in this semester compared to the previous semester?
一所小学上学期有学生550人，这学期比上学期增加2%，这学期比上学期多多少人？
<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">550 * (1/50)</gadget>
<output>11</output>

<result>11</result>