There are a total of 200 science and art books in the library, of which 10 are less than the art album (3/4), how many science books are there?
图书馆有科技书和美术画册共200本，其中科技书比美术画册的(3/4)少10本，科技书有多少本？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) * 200</gadget>
<output>150</output>

<gadget id="calculator">150 - 10</gadget>
<output>140</output>

<gadget id="calculator">(3/4) + 1</gadget>
<output>7/4 = around 1.75</output>

<gadget id="calculator">140 / (7/4)</gadget>
<output>80</output>

<result>80</result>