Xiao Ming bought 6 exercise books and 4 composition texts, which cost 12.8 yuan in total. The price of each exercise book is 0.8 yuan. How much is the price of each composition text?
小明买了6个练习本和4个作文本，共用去12.8元，每个练习本的售价是0.8元，每个作文本的售价是多少元？
<gadget id="calculator">0.8 * 6</gadget>
<output>4.8</output>

<gadget id="calculator">12.8 - 4.8</gadget>
<output>8</output>

<gadget id="calculator">8 / 4</gadget>
<output>2</output>

<result>2</result>