Xiaoxian went to a stationery store and bought 8 pencils and 2 pens for 22 yuan. 5 yuan per pen, how much is each pencil? (solution by equation)
小线到文具店买了8只铅笔和2支钢笔共用去22元．每支钢笔5元，每支铅笔多少元？(用方程解)
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">22 - 10</gadget>
<output>12</output>

<gadget id="calculator">12 / 8</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>