Shengli Primary School insured 250 students with "Student Campus Accident Insurance", with an insurance amount of 30,000 yuan per person. Calculated at an insurance premium rate of 0.2%, how much is the insurance premium payable for one year?
胜利小学为250位学生投保"学生校园意外伤害险"，每人保险金额3万元．按保险费率0.2%计算，投保一年应付保险费多少元？
<gadget id="calculator">3 * 10_000</gadget>
<output>30_000</output>

<gadget id="calculator">0.2 / 100</gadget>
<output>0.002</output>

<gadget id="calculator">30_000 * 1 * 0.002 * 250</gadget>
<output>15_000</output>

<result>15_000</result>