Xiao Ming reads a 120-page story book. He reads 1/8 of the whole book on the first day and 15% of the whole book on the second day. How many pages are left?
小明看一本120页的故事书，第一天看了全书的(1/8)，第二天看了全书的15%，还有多少页没看？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (1/8) - (3/20)</gadget>
<output>29/40 = around 0.725</output>

<gadget id="calculator">120 * (29/40)</gadget>
<output>87</output>

<result>87</result>