Xiao Ming reads a story book, and has already read (3/7) of the whole book, and has not read 48 pages. How many pages has Xiao Ming read?
小明看一本故事书，已经看了全书的(3/7)，还有48页没有看．小明已经看了多少页？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">1 - (3/7)</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">48 / (4/7)</gadget>
<output>84</output>

<gadget id="calculator">84 * (3/7)</gadget>
<output>36</output>

<result>36</result>