Wangfeng Primary School had 1,100 students last year, which was 10% more than last year. How many fewer students this year than last year?
望风小学去年有学生1100人，去年比今年多了10%，今年比去年少多少人？
<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_100 / (11/10)</gadget>
<output>1_000</output>

<gadget id="calculator">1_100 - 1_000</gadget>
<output>100</output>

<result>100</result>