Uncle deposits 100,000 yuan in the bank this year, fixed for two years, with an annual interest rate of 4.50%, due after two years, deducting 5% interest tax, how much is the interest?
叔叔今年存入银行10万元，定期二年，年利率4.50%，二年后到期，扣除利息税5%，得到利息多少元．
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">100_000 * 0.045 * 2</gadget>
<output>9_000</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">9_000 * (19/20)</gadget>
<output>8_550</output>

<result>8_550</result>