Xiao Ming said: I finished a 288-page fairy tale book in 12 days. Xiaohong said: I am also reading a 162-page technical book, and I read 18 pages every day. What is the difference in the average number of pages they read per day?
小明说：我一本288页的童话书我12天就看完了．小红说：我也在读一本162页的科技书，每天看18页．他们平均每天读的页数相差多少？
<gadget id="calculator">288 / 12</gadget>
<output>24</output>

<gadget id="calculator">24 - 18</gadget>
<output>6</output>

<result>6</result>