book has 500 pages in total, Xiao Ming reads 60 pages every day, and has been reading for 5 days, what page does Xiao Ming start reading on the 6th day?
一本书共500页，小明每天看60页，已看了5天，第6天小明从第几页看起？
<gadget id="calculator">5 * 60</gadget>
<output>300</output>

<gadget id="calculator">300 + 1</gadget>
<output>301</output>

<result>301</result>