A storybook has 180 pages, and Xiao Ming plans to finish it in 20 days. If he wants to finish it 2 days in advance, how many pages does Xiao Ming need to read every day?
一本故事书180页，小明计划20天看完，如果要提前2天看完，小明每天要看多少页？
<gadget id="calculator">20 - 2</gadget>
<output>18</output>

<gadget id="calculator">180 / 18</gadget>
<output>10</output>

<result>10</result>