The state stipulates that the tax method for deposit interest is: interest tax = interest * 5%, and the annual interest rate of two-year fixed deposits in the bank is 4.68%. This year, Xiao Li took out the principal and interest due in two years, and paid interest tax of 23.4 yuan. How much did Xiao Li deposit in the principal two years ago?
国家规定存款利息的纳税办法是：利息税=利息*5%，银行两年定期储蓄的年利率是4.68%，今年小李取出两年到期的本金和利息，缴纳了利息税23.4元．小李两年前存入本金多少元．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">23.4 / (1/20)</gadget>
<output>468</output>

<gadget id="calculator">4.68 / 100</gadget>
<output>0.0468</output>

<gadget id="calculator">468 / 0.0468 / 2</gadget>
<output>5_000</output>

<result>5_000</result>