During the Spring Festival, Xiaohua's father and mother took their grandfather, grandmother and younger sister to visit Tianmu Mountain in Lin'an. The ticket for Tianmu Mountain is 128 yuan per person for adults, and half of the adult fare for children. How much does Xiaohua's family need to buy tickets?
春节期间，小华的爸爸、妈妈带着爷爷、奶奶和妹妹一家六口人，到临安天目山去玩，天目山的门票是成人票128元/人，儿童票是成人票价的一半．小华家买门票需要多少钱？
<gadget id="calculator">4 * 128</gadget>
<output>512</output>

<gadget id="calculator">128 / 2</gadget>
<output>64</output>

<gadget id="calculator">64 * 2</gadget>
<output>128</output>

<gadget id="calculator">512 + 128</gadget>
<output>640</output>

<result>640</result>