Xiaohong read 35 pages of an extra-curricular reading, which happens to be the rest (5/7). How many pages are there in this extra-curricular reading?
一本课外读物，小红看了35页，正好是剩下的(5/7)，这本课外读物一共多少页？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">35 / (5/7)</gadget>
<output>49</output>

<gadget id="calculator">35 + 49</gadget>
<output>84</output>

<result>84</result>