Liangliang reads a story book, plans to read 30 pages a day, and finish it in 12 days. As a result, he finished reading the storybook 2 days earlier than planned. How many pages did he read on average every day?
亮亮看一本故事书，计划每天看30页，12天看完．结果他比计划提前2天看完了这本故事书，实际平均每天看了多少页？
<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">12 / 10</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">30 * (6/5)</gadget>
<output>36</output>

<result>36</result>