Sunshine Book City purchased 700 story books, equivalent to (5/6) of science and technology books. How many fewer storybooks are there than tech books?
阳光书城购进故事书700本，相当于科技书的(5/6)．故事书比科技书少多少本？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">700 / (5/6)</gadget>
<output>840</output>

<gadget id="calculator">840 - 700</gadget>
<output>140</output>

<result>140</result>