In August 2012, Grandpa Zhang deposited 8,000 yuan in the bank. The deposit period is 5 years, and the annual interest rate is 4.75%.
2012年8月，张爷爷把8000元钱存入银行，存期5年，年利率是4.75%，到期支取时，张爷爷能取回多少元．
<gadget id="calculator">4.75 / 100</gadget>
<output>0.0475</output>

<gadget id="calculator">8_000 * 0.0475 * 5</gadget>
<output>1_900</output>

<gadget id="calculator">8_000 + 1_900</gadget>
<output>9_900</output>

<result>9_900</result>