Xiaoqiang reads a story book. On the first day, he reads 24 pages, accounting for 1/5 of the whole book. On the second day, he reads 35% of the whole book. How many pages are left?
小强读一本故事书，第一天读了24页，占全书的(1/5)，第二天读了全书的35%，还剩多少页没读？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">24 / (1/5)</gadget>
<output>120</output>

<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">1 - (1/5) - (7/20)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">120 * (9/20)</gadget>
<output>54</output>

<result>54</result>