A room has 8 doors. In how many ways can a man enter the room through one door and come out through a different door.

Explanation

To solve the problem of how many ways a man can enter a room through one door and come out through a different door, we can break it down into clear steps:

### Step-by-Step Solution:

1. **Identify the Total Number of Doors**:
The problem states that there are 8 doors in the room.

2. **Determine the Number of Ways to Enter**:
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