A and B put out the same amount of money to buy the same number of pencils. When dividing the pencils, A took 13 and B took 7. Therefore, A gave B another 6 cents. How much is each pencil?
甲和乙拿出同样多的钱买相同的铅笔若干支，分铅笔时，甲拿了13支，乙拿了7支，因此，甲又给了乙6角钱．问每支铅笔多少钱？
<gadget id="calculator">13 + 7</gadget>
<output>20</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">13 - 10</gadget>
<output>3</output>

<gadget id="calculator">0.6 / 3</gadget>
<output>0.2</output>

<result>0.2</result>