Zhang Bing bought 6 pencils and 6 exercise books, for a total of 13.8 yuan. The price of each exercise book is 1.5 yuan, how much is the price of each pencil?
张兵买了6支铅笔和6个练习本，一共用去13.8元．每个练习本的售价是1.5元，每支铅笔的售价是多少元？
<gadget id="calculator">13.8 / 6</gadget>
<output>2.3</output>

<gadget id="calculator">2.3 - 1.5</gadget>
<output>0.8</output>

<result>0.8</result>