The government stipulates that the part of inpatient medical expenses exceeding 400 yuan will be subsidized by the government at 45%. Wang Dabo stayed in the county hospital for 8,260 yuan, and asked him how much he had to bear?
政府规定住院医疗费超过400元部分，政府补贴45%．王大波在县医院住了8260元，问他自己需要承担多少钱？
<gadget id="calculator">8_260 - 400</gadget>
<output>7_860</output>

<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">7_860 * (9/20)</gadget>
<output>3_537</output>

<gadget id="calculator">8_260 - 3_537</gadget>
<output>4_723</output>

<result>4_723</result>