instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: for all positive integers m , [ m ] = 3 m when m is odd and [ m ] = ( 1 / 2 ) * m when m is even . what is [ 5 ] * [ 8 ] equivalent to ?
answer:
[ 120 ]


question:
Problem: a train 300 m long is running with a speed of 68 kmph . in what time will it pass a man who is running at 8 kmph in the same direction in which the train is going ?
answer:
18 sec .


question:
Problem: if x and j are integers and 2 x – j = 11 , then 4 x + j can not be
answer:

17