There are 8 large and small stations (including the starting point and the ending point) on the railway from Wuhan to Guangzhou. How many different types of tickets should the railway bureau prepare for passengers to meet the needs of all passengers on the way from Wuhan to Guangzhou?
从武汉到广州的铁路上共有大小车站8个(包括起点，终点)，铁路局要为乘客准备多少种不同的车票才能满足武汉到广州途中所有乘客的需要？
<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">8 * 7</gadget>
<output>56</output>

<result>56</result>