Lele bought a 446-page book of "Fairy Tales". He has read 18 pages a day for 6 days. He plans to finish the book in 13 days. How many pages will he read on average every day?
乐乐买了一本446页的《童话故事》，他每天看18页，已经看了6天，他打算再用13天看完这本书，余下的平均每天要看多少页？
<gadget id="calculator">18 * 6</gadget>
<output>108</output>

<gadget id="calculator">446 - 108</gadget>
<output>338</output>

<gadget id="calculator">338 / 13</gadget>
<output>26</output>

<result>26</result>