Zhang Bing bought 2 pencils and 10 notebooks for a total of 16 yuan, and the price of each notebook was 1.5 yuan. How much is each pencil?
张兵买2支铅笔和10本笔记本，一共用了16元，每本笔记本的售价1.5元．每支铅笔多少元？
<gadget id="calculator">10 * 1.5</gadget>
<output>15</output>

<gadget id="calculator">16 - 15</gadget>
<output>1</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>