Xiaojun reads a story book. On the first day, he reads 80 pages. On the second day, he reads more (3/10) than on the first day. On the third day, he reads less (1/13) than on the second day. Xiaojun is third How many pages did you read every day?
小军看一本故事书，第一天看了80页，第二天比第一天多看(3/10)，第三天比第二天少看(1/13)，小军第三天看了多少页书？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">1 / 13</gadget>
<output>1/13 = around 0.076923</output>

<gadget id="calculator">1 - (1/13)</gadget>
<output>12/13 = around 0.923077</output>

<gadget id="calculator">80 * (13/10) * (12/13)</gadget>
<output>96</output>

<result>96</result>