Xiaohua's mother is a glorious member of the Communist Party of China. According to the party constitution, if the salary income is 400-600 yuan, the monthly party fee should pay 0.5% of the total salary; 1.5% should be paid if the amount is 1,000 yuan; 2% should be paid if the amount is more than 1,000 yuan. Xiaohua's mother's salary is 2,400 yuan. How much should she pay for party membership this year?
小华妈妈是一名光荣的中国共产党员，按党章规定，工资收入在400-600元的，每月党费应缴纳工资总额的0.5%；在600-800元的应缴纳1%；在800-1000元的，应缴纳1.5%；在1000元以上的应缴纳2%．小华妈妈的工资为2400元，她这一年应缴纳党费多少元？
<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">2_400 * (1/50) * 12</gadget>
<output>576</output>

<result>576</result>