Li Ming plans to read a 200-page storybook in 10 days, so how much of the book did he read in 9 days?
李明计划用10天看完一本200页的故事书，那么他9天看了这本书的多少
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(1/10) * 9</gadget>
<output>9/10 = around 0.9</output>

<result>9/10 = around 0.9</result>