The answer depends on the units used for 0012. It should be clear to anybody that 0012 kilometres converted to centimetre will be different from 0012 micrometres!
0.12
18
1.4667
2 of them.
9.6667
15 divided by one is 15. Anything divided by one is that same thing. One is the identity.
37.5 divided by 2.5 = 15
.0012
64
10.6667
1.1333