Xiaohong's father deposits 10,000 yuan in the bank for 3 years. The annual interest rate is 3.06%. How much is the interest? (Don't forget to pay taxes!)
小红的爸爸把10000元钱存入银行，整存整取3年，年利率是3.06%，利息是多少？(别忘记交税呀！)
<gadget id="calculator">3.06 / 100</gadget>
<output>0.0306</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">10_000 * 0.0306 * 3 * (19/20)</gadget>
<output>872.1</output>

<result>872.1</result>