A book has 300 pages. Xiao Li reads this book (1/6) on the first day, and (2/15) on the second day. What page should he read on the third day?
一本书有300页，小李第一天看了这本书(1/6)，第二天看了这本书的(2/15)，第三天应从第几页看起？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">(1/6) + (2/15)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">300 * (3/10)</gadget>
<output>90</output>

<gadget id="calculator">90 + 1</gadget>
<output>91</output>

<result>91</result>