The school bought a batch of books, including 121 "Modern Chinese Dictionary" at 95 yuan each; 52 sets of "Chinese Children's Encyclopedia" at 168 yuan each. Which book cost more? How much is it?
学校买了一批书，其中《现代汉语词典》121本，每本95元；《中国少年儿童百科全书》52套，每套168元．买哪种书花的钱多？多几元？
<gadget id="calculator">121 * 95</gadget>
<output>11_495</output>

<gadget id="calculator">52 * 168</gadget>
<output>8_736</output>

<gadget id="calculator">11_495 - 8_736</gadget>
<output>2_759</output>

<result>2_759</result>