60,120,180 and multiples of 60
Assuming you are talking about starting at three, the next four multiples are six, nine, twelve and fifteen.The answer depends on next after what!
15,30,45,60,75,90,105,120,135,150,165,180,195,210
The first 4 multiples of twelve are 12 24 36 48
0.8
The number 12.
60
Three
15.12
1250
1800
Ten million five hundred twelve thousand and fifteen as a numeral is 10,512,015