Li Qiang's father urgently needed 10,000 yuan for business, so he took out a loan from the bank for a period of three years with an annual interest rate of 7.20%. How much should he repay to the bank when the loan expires?
李强的父亲做生意急需10000元，于是向银行贷款，期限三年，贷款的年利率为7.20%，到期时他应向银行归还多少元？
<gadget id="calculator">7.2 / 100</gadget>
<output>0.072</output>

<gadget id="calculator">10_000 * 0.072 * 3</gadget>
<output>2_160</output>

<gadget id="calculator">10_000 + 2_160</gadget>
<output>12_160</output>

<result>12_160</result>