Liangliang's mother deposits 10,000 yuan in the bank, with a deposit period of three years and an annual interest rate of 5.40%. She plans to donate the interest earned to the Hope Project. How much can Liangliang's mother donate? (Interest is subject to interest tax at 5%)
亮亮的妈妈在银行存入10000元，存期为三年，年利率为5.40%，她计划到期把所得利息捐给希望工程．亮亮的妈妈能捐多少钱？(利息按5%缴纳利息税)
<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>