Renmin Primary School insured 400 students with "Ping An Insurance", the insurance amount was 5,000 yuan per person, and the insurance period was one year. Calculated according to the annual insurance premium rate of 0.4%, how much is the insurance premium payable by the school?
人民小学为400名学生投保"平安保险"，保险金额每人5000元，保险期限一年．按年保险费率0.4%计算，学校应付保险费多少元？
<gadget id="calculator">0.4 / 100</gadget>
<output>0.004</output>

<gadget id="calculator">5_000 * 0.004 * 400</gadget>
<output>8_000</output>

<result>8_000</result>