Uncle Wang deposits 2,000 yuan in the bank for 3 years, with an annual interest rate of 3.15%. How much is Uncle Wang’s principal plus interest when it matures?
王叔叔把2000元存入银行，整存3年，年利率为3.15%，到期王叔叔的本金加利息一共多少元？
<gadget id="calculator">3.15 / 100</gadget>
<output>0.0315</output>

<gadget id="calculator">2_000 * 0.0315 * 3</gadget>
<output>189</output>

<gadget id="calculator">2_000 + 189</gadget>
<output>2_189</output>

<result>2_189</result>