On June 1 last year, Uncle Zhang deposited RMB 50,000 in the bank for one year with an annual interest rate of 2.5%. How much after-tax interest should Uncle Zhang receive when it expires on June 1 this year (interest tax 5%)?
去年6月1日，张大爷把50000元人民币存入银行，定期1年，年利率为2.5%，今年6月1日到期时张大爷应得到税后利息多少元(利息税5%)．
<gadget id="calculator">2.5 / 100</gadget>
<output>0.025</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 * 0.025 * 1 * (19/20)</gadget>
<output>1_187.5</output>

<result>1_187.5</result>