It costs 0.8 yuan more to buy 3 pens than to buy 5 ballpoint pens. The price of each ballpoint pen is 2.6 yuan. How much is each pen?
买3枝钢笔比买5枝圆珠笔要多花0.8元，每枝圆珠笔的价钱是2.6元，每枝钢笔多少元？
<gadget id="calculator">5 * 2.6</gadget>
<output>13</output>

<gadget id="calculator">13 + 0.8</gadget>
<output>13.8</output>

<gadget id="calculator">13.8 / 3</gadget>
<output>4.6</output>

<result>4.6</result>