On January 8, 2012, Zhang's mother deposited 10,000 yuan in the bank for 3 years, with an annual interest rate of 4.25%. After 3 years, she took out the money and bought a mobile phone worth 2,250 yuan. How much money is left?
2012年1月8日，张妈妈把10000元存入银行，定期3年，年利率为4.25%，3年后取出这笔钱，买一部价值2250元的手机，还剩多少钱？
<gadget id="calculator">4.25 / 100</gadget>
<output>0.0425</output>

<gadget id="calculator">10_000 * 0.0425 * 3</gadget>
<output>1_275</output>

<gadget id="calculator">1_275 + 10_000</gadget>
<output>11_275</output>

<gadget id="calculator">11_275 - 2_250</gadget>
<output>9_025</output>

<result>9_025</result>