The teacher buys notebooks as prizes, 3.5 yuan each, and plans to buy 8. If you buy 5.6 yuan each, how many can you buy with the same money?
老师买笔记本作奖品，每个3.5元，准备买8个，如果买5.6元一个的，同样的钱可以买几个？
<gadget id="calculator">8 / 5.6</gadget>
<output>1.428571</output>

<gadget id="calculator">3.5 * 1.428571</gadget>
<output>4.999999</output>

<result>4.999999</result>