Xiaohong’s mother gets a year-end bonus of 25,000 yuan, and buys 80% of it in treasury bonds. The annual interest rate is 3.14%.
小红妈妈得到年终奖25000元，将其中的80%购买国库券，年利率是3.14%，五年后全部取出共得多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">25_000 * (4/5)</gadget>
<output>20_000</output>

<gadget id="calculator">3.14 / 100</gadget>
<output>0.0314</output>

<gadget id="calculator">20_000 * 0.0314 * 5</gadget>
<output>3_140</output>

<gadget id="calculator">3_140 + 20_000</gadget>
<output>23_140</output>

<result>23_140</result>