Since 2008, the state has temporarily exempted interest tax. Last year, my mother deposited 100,000 yuan in the bank for two years, with an annual interest rate of 4.15%.
2008年起至今国家暂时免征利息税，去年妈妈把10万元钱存入银行，存定期二年，年利率是4.15%，到期时，妈妈通过存款可多收入多少元．
<gadget id="calculator">10 * 10_000</gadget>
<output>100_000</output>

<gadget id="calculator">4.15 / 100</gadget>
<output>0.0415</output>

<gadget id="calculator">100_000 * 0.0415 * 2</gadget>
<output>8_300</output>

<result>8_300</result>