Every passenger who takes an airplane carries baggage over 20 kilograms and must purchase a baggage ticket at 1.5% of the original price of the air ticket for each kilogram. For Mr. Liu from Nanjing to Beijing, the air fare is 808 yuan after a 20% discount. He has 40kg of luggage. How much is the luggage fee?
乘坐飞机的每位旅客，携带行李超过20千克的部分，每千克要按要按飞机票原价的1.5%购买行李票．刘先生从南京到北京，飞机票价八折后是808元，他带了40kg行李，应付行李费多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">808 / (4/5)</gadget>
<output>1_010</output>

<gadget id="calculator">40 - 20</gadget>
<output>20</output>

<gadget id="calculator">1.5 / 100</gadget>
<output>0.015</output>

<gadget id="calculator">1_010 * 20 * 0.015</gadget>
<output>303</output>

<result>303</result>