Perform the indicated operations and simplify the expression. 
Definitions:
Positional Information
The spatial and temporal cues that cells use during development to differentiate into the correct cell types and form complex structures.
Meganeura
An extinct genus of insects from the Carboniferous period, known to include some of the largest known flying insect species.
Dragonfly-Like
Describes an appearance or behavior resembling that of dragonflies, often relating to physical attributes or flight patterns.
Seagull Size
Refers to the physical dimensions or extent of seagulls, which can vary among species and are influenced by factors such as diet and habitat.
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