Using algebra,
If x = malaysian stamps,
then x+(250-76)= 4x, x=58, local stamps before = 58+250=308
* At the end, local stamps were 4 times of Malaysian stamps, not 1/4 of Malaysian stamps.
Or if you choose to use x= local stamps in the begining, then 4(x-250)= x-76, 3x=924, x=308