Simplify the following text for a Grade 4 native English-speaking person.
Original: The tongue of the Short-beaked Echidna is the animal 's sole means of catching prey , and can protrude up to 180 m outside the snout .
Simplified: The tongue of the Short-beaked Echidna is the animal 's only way of catching prey . It can stick out up to 180 mm outside the snout .