A book with 250 pages is planned to be read in three days. I read the whole book (3/10) on the first day and 40% of the book on the second day. Which page should I start reading on the third day?
一本书250页，计划三天看完，第一天看了全书的(3/10)，第二天看了全书的40%，第三天应从第几页看起？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/10) + (2/5)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">250 * (7/10)</gadget>
<output>175</output>

<gadget id="calculator">175 + 1</gadget>
<output>176</output>

<result>176</result>