Mei County People’s Hospital is a designated hospital for rural cooperative medical care. The regulations are: 55% of farmers’ hospitalization expenses above 400 yuan will be reimbursed by the state. Uncle Zhang’s total hospitalization expenses this year are 8260 yuan. He is eligible for cooperative medical reimbursement. According to the regulations, Uncle Zhang How much do I need to pay myself?
眉县人民医院为农村合作医疗定点医院，规定是：农民住院费用中400元以上的部分国家按照55%报销，张大爷今年的住院总费用是8260元，他符合合作医疗报销，按照规定张大爷需要自己付多少元？
<gadget id="calculator">8_260 - 400</gadget>
<output>7_860</output>

<gadget id="calculator">55 / 100</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">7_860 * (11/20)</gadget>
<output>4_323</output>

<gadget id="calculator">8_260 - 4_323</gadget>
<output>3_937</output>

<result>3_937</result>