China Merchants Bank issued a one-year bond. Grandma bought a bond worth 10,000 yuan. When it expires, she will get back the principal and interest totaling 10,360 yuan. What is the annual interest rate of this bond?
招商银行发行一种1年期债劵，姥姥买了10000元债券，到期时取回本金和利息共10360元，这种债劵的年利率是多少．
<gadget id="calculator">10_360 - 10_000</gadget>
<output>360</output>

<gadget id="calculator">360 / 10_000</gadget>
<output>9/250 = around 0.036</output>

<result>9/250 = around 0.036</result>