7.1. Given a rectangular parallelepiped $2 \times 3 \times 2 \sqrt{3}$. What is the smallest value that the sum of the distances from an arbitrary point in space to all eight of its vertices can take?

![](https://cdn.mathpix.com/cropped/2024_05_06_b6fc33c08418efc8d3bcg-2.jpg?height=394&width=348&top_left_y=1982&top_left_x=243)