Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 12 - Operations on 12 such as adding/subtracting/multiplying etc. to 12 can be performed. Breaking down 12 into 1 and 2 and then performing mathematical operations on 1 and 2 is not allowed)
(15, 360, 12)
(12, 120, 5)
1
(12, 4, 16)
2
(14, 84, 3)
3
(15, 20, 30)
4
(13, 42, 3)