The original price of a notebook is 12 yuan. When the school buys it, the price of each notebook is reduced by 3 yuan. The original price of 126 notebooks, how many notebooks can you buy now?
一本笔记本原来标价是12元，学校购买时，每本降价3元，原来买126本笔记本的钱，现在可以买多少本？
<gadget id="calculator">12 - 3</gadget>
<output>9</output>

<gadget id="calculator">126 / 9</gadget>
<output>14</output>

<gadget id="calculator">12 * 14</gadget>
<output>168</output>

<result>168</result>