There are 1,800 students in a certain elementary school, all students participate in Ping An Insurance, the insurance amount is 3,000 yuan per person, and the insurance premium rate is 0.1%. How much is the insurance fee for all students in the school?
某小学有学生1800人，全体学生参加平安保险，每人保险金额3000元，保险费率是0.1%．全校学生应付保险费多少元？
<gadget id="calculator">0.1 / 100</gadget>
<output>0.001</output>

<gadget id="calculator">3_000 * 0.001 * 1_800</gadget>
<output>5_400</output>

<result>5_400</result>