2. (6 points) A person starts from a certain place, walks forward 20 meters and then turns right 30 degrees, walks forward 20 meters again and turns right 30 degrees, $\cdots$, and so on. When he returns to the starting point, he has walked $\qquad$ meters.
【Solution】Solution: $20 \times(360 \div 30)$
$$
\begin{array}{l}
=20 \times 12, \\
=240 \text { (meters). }
\end{array}
$$

Answer: When he returns to the starting point, he has walked a total of 240 meters. Therefore, the answer is: 240.