A book has 210 pages. If you read (2/7) of the whole book on the first day, what page should you start reading on the second day?
一本书有210页，第一天看了全书的(2/7)，第二天应从第多少页看起．
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">210 * (2/7)</gadget>
<output>60</output>

<gadget id="calculator">60 + 1</gadget>
<output>61</output>

<result>61</result>