Buying 3 pens costs 0.3 yuan more than buying 5 ballpoint pens, and each ballpoint pen costs 1.5 yuan. How much is each pen?
买3支钢笔比买5支圆珠笔多花0.3元，每支圆珠笔1.5元．每支钢笔多少钱？
<gadget id="calculator">5 * 1.5</gadget>
<output>7.5</output>

<gadget id="calculator">7.5 + 0.3</gadget>
<output>7.8</output>

<gadget id="calculator">7.8 / 3</gadget>
<output>2.6</output>

<result>2.6</result>