Mom deposits 1,000 yuan in the bank, deposits and withdraws in lump sum for 3 years, and the annual interest rate is 3.33%. When the maturity expires, mother can get back the total amount of principal and interest.
妈妈把1000元钱存入银行，整存整取3年，年利率是3.33%，到期时妈妈可以取回本金和利息一共多少元．
<gadget id="calculator">3.33 / 100</gadget>
<output>0.0333</output>

<gadget id="calculator">1_000 * 0.0333 * 3</gadget>
<output>99.9</output>

<gadget id="calculator">1_000 + 99.9</gadget>
<output>1_099.9</output>

<result>1_099.9</result>