Xiaoming's father took a plane from Yangzhou Taizhou Airport to Beijing for a business trip. Civil Aviation of China stipulated that each passenger in an ordinary cabin can carry a maximum of 20 kilograms of luggage for free, and the extra kilogram should be purchased as a luggage ticket at 1.5% of the plane fare. Xiaoming's father took the flight with 25 kilograms of luggage, and paid a total of 870.75 yuan for the air ticket and luggage. How much should Xiaoming's father's air ticket be?
小明的爸爸从扬州泰州机场乘飞机去北京出差，中国民航规定：乘坐普通舱的旅客一人最多可免费携带20千克行李，超过部分每千克按飞机票价的1.5%购买行李票．小明爸爸带了25千克行李乘机，机票和行李费共付870.75元．小明爸爸的机票应该是多少元？
<gadget id="calculator">870.75 / 1.075</gadget>
<output>810</output>

<result>810</result>