There are 1600 students in a certain elementary school, only 10% of the students do not participate in insurance, how many students participate in insurance?
某小学有学生1600人，只有一成的学生没有参加保险，参加保险的学生有多少人．
<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_600 * (9/10)</gadget>
<output>1_440</output>

<result>1_440</result>