A certain place charges 0.3 yuan for the first 3 minutes of each call, and 0.15 yuan per minute for more than 3 minutes (less than 1 minute is counted as 1 minute). Uncle Li's call lasts 8 minutes and 29 seconds. How much does he charge for this call?
某地打电话每次前3分钟内收费0.3元，超过3分钟每分钟收费0.15元(不足1分钟按1分钟计算)．李叔叔一次通话时间是8分29秒，他这一次通话的费用是多少？
<gadget id="calculator">9 - 3</gadget>
<output>6</output>

<gadget id="calculator">6 * 0.15</gadget>
<output>0.9</output>

<gadget id="calculator">0.9 + 0.3</gadget>
<output>1.2</output>

<result>1.2</result>