Wang Qiang bought 6 notebooks and 4 pencils and paid a total of 9.2 yuan. Zhou Jun bought the same 3 notebooks and 1 pencil and paid a total of 3.8 yuan. How much should you pay for a notebook and a pencil?
王强买了6个本子和4支铅笔共付了9.2元，周军买了同样的3个本子和1支铅笔，共付了3.8元．那么买一个本子和一支铅笔应共付多少元．
<gadget id="calculator">3.8 * 2</gadget>
<output>7.6</output>

<gadget id="calculator">9.2 - 7.6</gadget>
<output>1.6</output>

<gadget id="calculator">1.6 / 2</gadget>
<output>0.8</output>

<gadget id="calculator">3.8 - 0.8</gadget>
<output>3</output>

<gadget id="calculator">3 / 3</gadget>
<output>1</output>

<gadget id="calculator">0.8 + 1</gadget>
<output>1.8</output>

<result>1.8</result>