Uncle Wang participated in the rural cooperative medical insurance in our county. The clause stipulates that: rural inpatient medical expenses compensation deductible line, county-level hospitals 400 yuan, 85% compensation for the part above the deductible line, this year Uncle Wang suffered from acute enteritis and was hospitalized in the county people's hospital for 29 days, with a total medical expenses of 8200 yuan , according to regulations, how much should Uncle Wang pay himself?
王大伯参加了我县农村合作医疗保险．条款规定：农村住院医疗费补偿起付线，县级医院400元，在起付线以上的部分按85%补偿，今年王大伯患急性肠炎在县人民医院住院治疗29天，共计医疗费8200元，按规定王大伯自付多少元？
<gadget id="calculator">8_200 - 400</gadget>
<output>7_800</output>

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">7_800 * (17/20)</gadget>
<output>6_630</output>

<gadget id="calculator">8_200 - 6_630</gadget>
<output>1_570</output>

<result>1_570</result>