Definition: Given a sentence in Chinese, provide an equivalent paraphrased version from the original that retains the same meaning.
Input: 该公司当时收购了圣路易斯和狭窄的开罗铁路。
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
该公司当时是圣路易斯和开罗铁路，它收购了窄轨。