There are a total of 125 literary and technical books in the bookstore. If the literary and artistic books are sold (1/7), there will be 5 more than the scientific and technological books. How many literary and artistic books are there?
书店里有文艺书和科技书共125本，如果文艺书卖出(1/7)，则比科技书多5本，文艺书原有多少本．
<gadget id="calculator">125 + 5</gadget>
<output>130</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 - (1/7)</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">1 + (6/7)</gadget>
<output>13/7 = around 1.857143</output>

<gadget id="calculator">130 / (13/7)</gadget>
<output>70</output>

<result>70</result>