Teacher Zhang deposits 500 yuan in the bank for a period of 2 years, with an annual interest rate of 2.25%.
张老师把500元钱存入银行，定期2年，年利率2.25%，到期时可以从银行取出多少元．
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">500 * 0.0225 * 2</gadget>
<output>22.5</output>

<gadget id="calculator">500 + 22.5</gadget>
<output>522.5</output>

<result>522.5</result>