There are 45 teachers in Yuren Primary School. The school organizes teachers to watch a movie on Teacher’s Day. They just bought 45 consecutive tickets. The 3 teachers in the art group need to get 3 consecutive tickets. How many different ways are there?
育人小学有45名教师，教师节学校组织教师看电影，正好买了45张连号票，美术组的3位老师要拿3张连号票，一共有多少种不同的拿法？
<gadget id="calculator">45 - 2</gadget>
<output>43</output>

<result>43</result>