A parking space have 9 different slots

A parking space have 9 different slots. 9 cars has to arrange in 8 slots. But there are exactly 4 cars between 5 specified cars. In how many ways cars can be arranged?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #3614