Lele reads a comic book. She read 25% of the whole book on the first day, and 1/3 of the whole book every second day. In these two days, she read a total of 70 pages. How many pages did you read on the first day?
乐乐看一本漫画书，第一天看了全书的25%，每二天看了全书的(1/3)，这两天一共看了70页．第一天看了多少页？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/4) + (1/3)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">70 / (7/12)</gadget>
<output>120</output>

<gadget id="calculator">120 * (1/4)</gadget>
<output>30</output>

<result>30</result>