In a certain year, the annual interest rate of the three-year time deposit is 4.5%. Li Ming deposits 1000 yuan for a period of 3 years, how much interest can he get when he matures?
某一年，三年定期存款的年利率是4.5%．李明存了1000元钱，定期3年，到期可得利息多少元．
<gadget id="calculator">4.5 / 100</gadget>
<output>0.045</output>

<gadget id="calculator">1_000 * 0.045 * 3</gadget>
<output>135</output>

<result>135</result>