Xiaoxiao read a story book. On the first day, I read 15 pages, accounting for (1/12) of the whole book. On the second day, I read the whole book (1/9). How many pages are left?
笑笑读一本故事书，第一天读了15页，占全书的(1/12)，第二天读了全书的(1/9)，还剩多少页没有看？
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">15 / (1/12)</gadget>
<output>180</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (1/12) - (1/9)</gadget>
<output>29/36 = around 0.805556</output>

<gadget id="calculator">180 * (29/36)</gadget>
<output>145</output>

<result>145</result>