Each set of "Children's Encyclopedia" is 105 yuan, and each set of "Scientific Exploration" is 160 yuan. The school needs to buy 12 sets of these two books. How much is the total cost?
《儿童百科》每套105元，《科学探索》每套160元，这两种书学校要各买12套，一共需要多少元钱？
<gadget id="calculator">105 * 12</gadget>
<output>1_260</output>

<gadget id="calculator">160 * 12</gadget>
<output>1_920</output>

<gadget id="calculator">1_260 + 1_920</gadget>
<output>3_180</output>

<result>3_180</result>