Uncle Wang participates in the rural cooperative medical insurance in our city. The clause stipulates that a deductible line is set for farmers' hospitalization medical expenses, and the municipal medical institutions pay 400 yuan, and the part exceeding the deductible line is compensated at 65%. In April this year, Uncle Wang suffered from acute enteritis and was hospitalized in a designated hospital for 20 days. The medical expenses totaled 8,260 yuan. According to the provisions, how much medical expenses should Uncle Wang pay for himself?
王大伯参加我市农村合作医疗保险．条款规定：农民住院医疗费设起付线，市级医疗机构为400元，超出起付线的部分按65%补偿．今年4月份王大伯患了急性肠炎，在定点医院住院治疗了20天，医疗费用共计8260元．按条款规定，王大伯应自付多少元医疗费用．
<gadget id="calculator">8_260 - 400</gadget>
<output>7_860</output>

<gadget id="calculator">65 / 100</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">7_860 * (13/20)</gadget>
<output>5_109</output>

<gadget id="calculator">8_260 - 5_109</gadget>
<output>3_151</output>

<result>3_151</result>