Neela has three ribbons with lengths of 27.6 cm, 47.3 cm, and 39.8 cm. What is the sum of the lengths of ribbon Neela has?(

To find the sum of the lengths of the ribbons, we simply add the lengths together: 27.6 cm + 47.3 cm + 39.8 cm = <<27.6+47.3+39.8=114.7>>114.7 cm. Answer: \boxed{114.7}.

To find the sum of the lengths of the ribbons Neela has, you need to add up the lengths of the three ribbons.

Adding the lengths of the ribbons:
27.6 cm + 47.3 cm + 39.8 cm = 114.7 cm

Therefore, the sum of the lengths of the ribbons Neela has is 114.7 cm.