The school needs to add books, each set of "Children's Comics" is 135 yuan, and each set of "Complete Composition" is 18 yuan. If you buy 5 sets each, how much is the total?
学校要增添图书，每套《儿童漫画》135元，每套《作文大全》18元，如果各买5套，一共多少元？
<gadget id="calculator">135 + 18</gadget>
<output>153</output>

<gadget id="calculator">153 * 5</gadget>
<output>765</output>

<result>765</result>