This task is about translating a given French language sentence to English.

Bob verrouille son message en calculant m à la puissance e modulo n, soit c, son message chiffré, qu'il envoie à Alice.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Bob locks his message by calculating m to the power of e mod n, call this c, his encrypted message, which he sends back to Alice.