Answer:
In English, adjectives like "easy" can become an adverb, like "easily".
The example of this in French would be "facile" (easy) and "facilement" (easily).
If you would like it in a sentence:
[ADJ.} Ces examens sont faciles. // These exams are easy.
[ADV.] Je peux faire ces examens facilement. // I can do these exams easily.
