instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: the number of positive integer solutions for the equation x + y + z + t = 30 is
answer:
3654

question:
Problem: a 11 meter long wire is cut into two pieces . if the longer piece is then used to form a perimeter of a square , what is the probability that the area of the square will be more than 4 if the original wire was cut at an arbitrary point ?
answer:
6 / 11

question:
Problem: a man swims downstream 30 km and upstream 20 km taking 5 hours each time , what is the speed of the man in still water ?
answer:
5