Xiao Ming reads a 126-page extra-curricular book, and has already read (1/3) of the whole book. How many pages have he read?
小明看一本126页的课外书，已经看了全书的(1/3)，已看多少页？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">126 * (1/3)</gadget>
<output>42</output>

<result>42</result>