Liu Jia deposits 4,500 yuan in the bank for half a year, with an annual interest rate of 2.8%. How much interest will Liu Jia withdraw when it matures?
刘佳把4500元存入银行半年，年利率是2.8%，到期时刘佳取出利息多少元？
<gadget id="calculator">2.8 / 100</gadget>
<output>0.028</output>

<gadget id="calculator">4_500 * 0.028 * 0.5</gadget>
<output>63</output>

<result>63</result>