Xiao Ming took 4 yuan to the store to buy pencils and erasers. She bought 5 pencils and 8 erasers, and the remaining money was short of 4 cents for a pencil and 2 cents for an eraser. How much is each pencil?
小明带了4元钱去商店买铅笔和橡皮．她买了5支铅笔和8块橡皮，余下的钱买一支铅笔缺4分，买一块橡皮缺2分．每支铅笔多少元？
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<gadget id="calculator">4 * 100</gadget>
<output>400</output>

<gadget id="calculator">16 + 4 + 400</gadget>
<output>420</output>

<gadget id="calculator">5 + 8 + 1</gadget>
<output>14</output>

<gadget id="calculator">420 / 14 / 100</gadget>
<output>3/10 = around 0.3</output>

<result>3/10 = around 0.3</result>