If you deposit 1,000 yuan in Industrial and Commercial Bank of China, the deposit period is three years, and the annual interest rate is 3.15%. How much is the principal and interest you should get when it matures?
把1000元钱存入工商银行，存期三年，年利率为3.15%，到期时应得本息共多少元．
<gadget id="calculator">3.15 / 100</gadget>
<output>0.0315</output>

<gadget id="calculator">1_000 * 3 * 0.0315</gadget>
<output>94.5</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">94.5 * (1/5)</gadget>
<output>18.9</output>

<gadget id="calculator">94.5 - 18.9</gadget>
<output>75.6</output>

<gadget id="calculator">1_000 + 75.6</gadget>
<output>1_075.6</output>

<result>1_075.6</result>