Xiaohua reads a 240-page book. He reads 35% of the whole book on the first day and 25% of the whole book on the second day. How many pages are left?
小华看一本240页的书，第一天看了全书的35%，第二天看了全书的25%，还剩多少页没有看？
<gadget id="calculator">35 / 100</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(7/20) + (1/4)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">240 * (3/5)</gadget>
<output>144</output>

<gadget id="calculator">240 - 144</gadget>
<output>96</output>

<result>96</result>