After one of Mr. Wang's certificates of deposit expires this year, he should get 2,700 yuan in interest. It is known that this certificate of deposit has a term of three years, and the annual interest rate is 4.50%. Do you know how much the deposit amount of this certificate of deposit is?
王老师今年的一张存单到期后，应得2700元利息．已知这张存单定期三年，年利率是4.50%．你知道这张存单的存款金额是多少元吗？
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">2_700 / 0.045 / 3</gadget>
<output>20_000</output>

<result>20_000</result>