Xiaolan deposited a sum of New Year's money in the bank two years ago for two years, with an annual interest rate of 3.75%. When it expires this year, Xiaolan took out a total of 537.5 yuan. Do you know how much Xiaolan deposited two years ago?
小兰两年前将一笔压岁钱存入银行，定期两年，年利率为3.75%，今年到期时小兰共取出了537.5元．你知道小兰两年前存入了多少钱吗？
<gadget id="calculator">3.75 / 100</gadget>
<output>0.0375</output>

<gadget id="calculator">0.0375 * 2</gadget>
<output>0.075</output>

<gadget id="calculator">1 + 0.075</gadget>
<output>1.075</output>

<gadget id="calculator">537.5 / 1.075</gadget>
<output>500</output>

<result>500</result>