Definition: You are given a sentence in Portuguese. Your job is to translate the Portuguese sentence into English.
Input: Assim, poupamos 8 minutos em cada meia hora, portanto, ao longo de duas horas a ver TV, ganhamos 32 minutos para fazer exercício.
Output:

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
That way, you save eight minutes every half hour, so in the course of two hours of watching TV, you find 32 minutes to exercise.