I cannot understand problem with argument of the function

[mrd]

This bug reproducible also without a template:

http://pastebin.com/QPvCFYL1

$ ./bug
works:
Inside of body: value=1 type=ulong
Inside of out contract: value=1 type=ulong result=[1]
not works:
Inside of body: value=300 type=ulong
Inside of out contract: value=2 type=ulong result=[172, 2]