The school will add two new books of the "Chaoyang Reading Project" to the library, 4 sets of each. The first type of book is 158 yuan per set, and the second type of new book is 33 yuan per set. How much will it cost in total?
学校要为图书室新添两种"朝阳读书计划"新书，每种4套．第一种书每套158元，第二种新书每套33元．一共要花多少元钱？
<gadget id="calculator">158 + 33</gadget>
<output>191</output>

<gadget id="calculator">191 * 4</gadget>
<output>764</output>

<result>764</result>