A 182-page book, Xiaohu finished reading (3/7) of it within a week, how many pages are left unread?
一本182页的书，小虎在一周内读完了它的(3/7)，还剩多少页没有读？
<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">182 * (4/7)</gadget>
<output>104</output>

<result>104</result>