Xiaogang read from page 54 to 67 of a book, Su Ming read from page 95 to 135, Xiaoqiang read from page 180 to 237, how many pages did they read in total?
小刚从一本书的54页阅读到67页，苏明从95页阅读到135页，小强从180页阅读到237页，他们总共阅读了多少页．
<gadget id="calculator">67 - 54</gadget>
<output>13</output>

<gadget id="calculator">13 + 1</gadget>
<output>14</output>

<gadget id="calculator">135 - 95</gadget>
<output>40</output>

<gadget id="calculator">40 + 1</gadget>
<output>41</output>

<gadget id="calculator">237 - 180</gadget>
<output>57</output>

<gadget id="calculator">57 + 1</gadget>
<output>58</output>

<gadget id="calculator">14 + 41 + 58</gadget>
<output>113</output>

<result>113</result>