Mr. Wang's family participates in "Ordinary Household Property Insurance". The insurance amount is 25,000 yuan. Calculated according to the annual insurance premium rate of 0.6%, how much is the insurance premium for two years?
王东家参加"普通家庭财产保险"，保险金额为25000元，按每年0.6%的保险费率计算，投保两年，需缴保险费多少元．
<gadget id="calculator">0.6 / 100</gadget>
<output>0.006</output>

<gadget id="calculator">25_000 * 0.006 * 2</gadget>
<output>300</output>

<result>300</result>