This year, 320 students of Hongxing Primary School took out the insurance. The insurance amount is 5,000 yuan per person, and the insurance period is one year. The insurance premium is calculated at 0.4% of the annual insurance amount. How much is the insurance premium payable by the whole school this year?
红星小学今年有320名同学投保，保险金额是每人5000元，保险期限一年．按年保险金额的0.4%计算保险费，全校今年应付保险费多少元？
<gadget id="calculator">0.4 / 100</gadget>
<output>0.004</output>

<gadget id="calculator">5_000 * 0.004 * 320</gadget>
<output>6_400</output>

<result>6_400</result>