Xiaoqiang's mother has deposited 8,000 yuan in the bank for two years, with an annual interest rate of 4.50%. When it expires, how much interest will she get?
小强的妈妈在银行存了8000元，定期两年，年利率是4.50%，到期时，她应得利息多少元．
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">8_000 * 0.045 * 2</gadget>
<output>720</output>

<result>720</result>