Xiao Wang's family got back the money deposited in the bank two years ago. The principal and interest totaled 4,662 yuan. The known annual interest rate is 2.25%, and the interest rate tax is 20%. How much is the principal of this deposit?
小王家从银行取回2年前存入银行的钱，本息共4662元，已知年利率为2.25%，利率税20%，那么这次存款的本金多少元？
<gadget id="calculator">2.25 / 100</gadget>
<output>0.0225</output>

<gadget id="calculator">0.0225 * 2</gadget>
<output>0.045</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">0.0225 * 2 * (1/5)</gadget>
<output>0.009</output>

<gadget id="calculator">0.045 - 0.009</gadget>
<output>0.036</output>

<gadget id="calculator">1 + 0.036</gadget>
<output>1.036</output>

<gadget id="calculator">4_662 / 1.036</gadget>
<output>4_500</output>

<result>4_500</result>