person deposits 20,000 yuan in the bank for a period of 3 years, and withdraws a total of 22,136 yuan after maturity. Please calculate the interest rate of the deposit?
某人将20000元存入银行，存期3年，到期后共取出22136元，请算出其存款利率？
<gadget id="calculator">22_136 - 20_000</gadget>
<output>2_136</output>

<gadget id="calculator">2_136 / 20_000 / 3</gadget>
<output>89/2_500 = around 0.0356</output>

<result>89/2_500 = around 0.0356</result>