Xiao Ming's mother deposits 10,000 yuan in the bank for three years (lump deposit and withdrawal). The annual interest rate is 5.4%, how much interest can be obtained after deducting the 5% interest tax at maturity.
小明的妈妈将10000元钱存入银行，定期三年(整存整取)．年利率是5.4%，到期扣除5%利息税后可得到利息多少元．
<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</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 * 0.054 * 3 * (19/20)</gadget>
<output>1_539</output>

<result>1_539</result>