Uncle Wang participates in the rural cooperative medical insurance, and the insurance clause stipulates that there is a deductible line for hospitalization medical expenses, and the deductible line for county-level designated medical institutions is 400 yuan. % will be compensated by the cooperative medical department. 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 terms and conditions, how much does Uncle Wang have to pay personally?
王大伯参加农村合作医疗保险，保险条款规定：住院医疗费设起付线，县级定点医疗机构起付线为400元，起付线以内部分由患者个人承担，起付线以上的部分按70%由合作医疗部门补偿．今年4月份王大伯患了急性肠炎，在定点医院住院治疗20天，医疗费用共计8260元．按条款规定，王大伯要个人支付多少元费用？
<gadget id="calculator">8_260 - 400</gadget>
<output>7_860</output>

<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">1 - (7/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">7_860 * (3/10)</gadget>
<output>2_358</output>

<gadget id="calculator">2_358 + 400</gadget>
<output>2_758</output>

<result>2_758</result>