There are two types of notebooks in the store. A price of 16 yuan, another price of 18 yuan. If you buy 6 copies of each, how much is the total cost?
商店里有两种笔记本．一种售价16元，另一种售价18元．如果每种都买6本，共需多少元？
<gadget id="calculator">16 + 18</gadget>
<output>34</output>

<gadget id="calculator">34 * 6</gadget>
<output>204</output>

<result>204</result>