Interest earned on education savings is not taxable. Dad saved 20,000 yuan for Xiaoming's three-year education savings, with an annual interest rate of 5.40%. How much yuan can Xiaoming get the principal and interest when it is due?
教育储蓄所得的利息不需要纳税．爸爸为小明存了2万元三年期教育储蓄，年利率是5.40%．到期时，小明可以取得本金和利息一共多少元？
<gadget id="calculator">2 * 10_000</gadget>
<output>20_000</output>

<gadget id="calculator">5.4 / 100</gadget>
<output>0.054</output>

<gadget id="calculator">20_000 * 0.054 * 3</gadget>
<output>3_240</output>

<gadget id="calculator">20_000 + 3_240</gadget>
<output>23_240</output>

<result>23_240</result>