Xiao Ming reads a 120-page book, and there are still (5/8) of this book left unread, how many pages does Xiao Ming read?
小明看一本120页的书，还剩下这本书的(5/8)没有看，小明看了多少页？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">120 * (5/8)</gadget>
<output>75</output>

<gadget id="calculator">120 - 75</gadget>
<output>45</output>

<result>45</result>