Xiao Ming goes to the supermarket to buy notebooks, each of which costs 3.60 yuan. How much does it cost to buy 8 such notebooks?
小明去超市买笔记本，每本3.60元，买8本这样的笔记本，共需多少钱？
<gadget id="calculator">3.6 * 8</gadget>
<output>28.8</output>

<result>28.8</result>