A book has 200 pages. Li Gang has read (3/8) of this book, so how many pages did he read?
一本书有200页，李刚看完这本书的(3/8)，那么他看了多少页．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">200 * (3/8)</gadget>
<output>75</output>

<result>75</result>