Xiao Ming's father deposited 20,000 yuan in the bank for Xiao Ming's three-year education savings, with an annual interest rate of 2.70%. After the maturity, how much money can he get back from the bank. (Education savings are not subject to interest tax)
小明的爸爸在银行为小明存了2万元三年期的教育储蓄，年利率是2.70%，到期后，可以从银行取回多少元．(教育储蓄不需缴纳利息税)
<gadget id="calculator">2 * 10_000</gadget>
<output>20_000</output>

<gadget id="calculator">2.7 / 100</gadget>
<output>0.027</output>

<gadget id="calculator">20_000 * 0.027 * 3</gadget>
<output>1_620</output>

<gadget id="calculator">20_000 + 1_620</gadget>
<output>21_620</output>

<result>21_620</result>