You can put this solution on YOUR website!
Let A = piece 1 is 32.3cm
Let B = piece 2 is 41.19cm
Let C = piece 3 is 57.8cm
The total needed is 200cm for the box.
If we add A + B + C, the total ribbons is 131.29cm.
How much is Marie over or under what she needs?
Marie is definitely under in terms of cm.
By how much is she under?
Subtract 131.29cm from 200cm and you shall have the answer.
Can you do it now?