The three numbers go into any integer multiple of 880.
880
880.0
-22 and 40
880
go to Ronnie Sunshines on the internet and type in daisy powerline 880 you can get one for about £40
Any of its multiples such as 220, 440, 660, 880 .... etc
Half of 880= 880/2= 440
58.666666666666667 times.
880
880
45% of 880 = 45% * 880 = 0.45 * 880 = 396