There were 1650 primary school students in a certain farm last year, and this year it is 10% less than last year. How many primary school students are there this year?
某农场去年有小学生1650人，今年比去年减少10%．今年有小学生多少人？
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">1_650 * (9/10)</gadget>
<output>1_485</output>

<result>1_485</result>