We have
l= 2 1/4= 9/4
w= 3/4 = 3/4
h=1 1/4= 5/4
in cubes we will have
l= 9 cubes of 1/4
w= 3 cubes of 1/4
h=5 cubes of 1/4
we will need 135 cubes of 1/4
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