Chengnan Primary School had 1,800 students last year, an increase of 10% this year compared to last year. How many students are there in Chengnan Primary School this year?
城南小学去年有学生1800人，今年比去年增加10%，城南小学今年一共有学生多少人？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">1_800 * (11/10)</gadget>
<output>1_980</output>

<result>1_980</result>