The number of students enrolled this year is 10% lower than last year, and the number of people enrolled this year is equivalent to that of last year.
今年入学人数比去年减少10%，今年入学人数相当于去年的多少．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>