A technology book, after reading (3/4), there are 35 pages left, how many pages does this book have?
一本科技书，看了(3/4)后，还剩35页，这本书有多少页？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">35 / (1/4)</gadget>
<output>140</output>

<result>140</result>