If 7 points are added between line segment AB, how many line segments are added in total?
在线段AB之间加入了7个点，则共增加了多少条线段．
<gadget id="calculator">1 + 2 + 3 + 4 + 5 + 6 + 7 + 8</gadget>
<output>36</output>

<gadget id="calculator">36 - 1</gadget>
<output>35</output>

<result>35</result>