Gao Heng's father deposits 40,000 yuan in the bank, and deposits and withdraws it in lump sum for 5 years, with an annual interest rate of 3.5%. How much yuan can he get back when it matures?
高恒的爸爸把4万元存入银行，整存整取5年，年利率是3.5%，到期时可以取回多少元？
<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">40_000 * 0.035 * 5</gadget>
<output>7_000</output>

<gadget id="calculator">40_000 + 7_000</gadget>
<output>47_000</output>

<result>47_000</result>