Xiao Ming goes to the supermarket to buy something, and sees a badminton for 2.3 yuan and a notebook for 5.8 yuan. How much does it cost to buy 5 badmintons and 5 notebooks?
小明到超市买东西，看到羽毛球2.3元，笔记本5.8元，买5个羽毛球和5个笔记本，一共需要多少钱？
<gadget id="calculator">2.3 * 5</gadget>
<output>11.5</output>

<gadget id="calculator">5.8 * 5</gadget>
<output>29</output>

<gadget id="calculator">11.5 + 29</gadget>
<output>40.5</output>

<result>40.5</result>