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

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

<result>56</result>