This week, the fishmonger sold 50 kg of salmon. He sold three times more the following week. What was the total amount of fish sold in two weeks? Let's be accurate as possible.

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
The following week, he sold 50 x 3 = 150 kg of salmon. So he sold 50 + 150 = 200 kg of fish.
The answer: 200.