It costs 7.35 yuan to buy 4 ballpoint pens and 3 notebooks. Knowing that each notebook is 0.65 yuan, how much is each ballpoint pen?
买4支圆珠笔和3本笔记本共花7.35元，已知笔记本每本0.65元，圆珠笔每支多少钱？
<gadget id="calculator">0.65 * 3</gadget>
<output>1.95</output>

<gadget id="calculator">7.35 - 1.95</gadget>
<output>5.4</output>

<gadget id="calculator">5.4 / 4</gadget>
<output>1.35</output>

<result>1.35</result>