Ticket numbers range from 00000 to 99999. If the difference between two adjacent numbers in a ticket number is equal to 5, the ticket is called a good ticket. Then how many good tickets are there.
票的编号由00000到99999．如果一张票的号码中有某两个相邻数字的差等于5，则将这张票称为好票．则好票的数目有多少张．
<gadget id="calculator">40 - 2</gadget>
<output>38</output>

<result>38</result>