My mother deposits 50,000 yuan in the bank for a period of one year. After the plan expires, the after-tax interest will be donated to the "Hope Project". The annual interest rate is 4.14%, and the interest tax rate is 5%. How much can my mother donate after one year? ?
妈妈把5万元钱存入银行，定期一年，计划到期后将税后利息捐给"希望工程"，年利率是4.14%，利息的税率是5%，一年后妈妈可捐款多少元？
<gadget id="calculator">5 * 10_000</gadget>
<output>50_000</output>

<gadget id="calculator">4.14 / 100</gadget>
<output>0.0414</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">50_000 * 0.0414 * 1 * (19/20)</gadget>
<output>1_966.5</output>

<result>1_966.5</result>