px - 8 - Array
(
    [0] => 8px
    [1] => 8
    [2] => px
)
0.21<br>cm - 3 - Array
(
    [0] => 3cm
    [1] => 3
    [2] => cm
)
30<br>pt - 15 - Array
(
    [0] => 15pt
    [1] => 15
    [2] => pt
)
5.29166666667<br>