Buying a pen is 0.6 yuan cheaper than buying 6 mechanical pencils. Each pen is 12.6 yuan. How much is each mechanical pencil? (solution by equation)
买一枝钢笔比买6枝自动铅笔便宜0.6元，每枝钢笔12.6元，每枝自动铅笔是多少元？(用方程解)
<gadget id="calculator">12.6 + 0.6</gadget>
<output>13.2</output>

<gadget id="calculator">13.2 / 6</gadget>
<output>2.2</output>

<result>2.2</result>