Provide your best answer for the following math problem. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The problem is: a train 360 metre long runs with a speed of 45 km / hr . what time will it take to pass a platform of 140 metre long ?
40
1 minute and 24 seconds.