When reading a book, read less (1/5) in the morning than in the afternoon, and read 10 more pages in the afternoon than in the morning. How many pages did you read in the afternoon?
看一本书，上午比下午少看(1/5)，下午比上午多看10页．下午看了多少页？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 / (1/5)</gadget>
<output>50</output>

<result>50</result>