Xiaogang has been reading a 250-page storybook for 5 days, with an average of 26 pages per day, and the remaining 30 pages per day. How many days will it take to finish it?
小刚看一本250页的故事书，已经看了5天，平均每天看26页，剩下的每天看30页，还要多少天才能看完？
<gadget id="calculator">5 * 26</gadget>
<output>130</output>

<gadget id="calculator">250 - 130</gadget>
<output>120</output>

<gadget id="calculator">120 / 30</gadget>
<output>4</output>

<result>4</result>