John buys 3 t-shirts that cost $20 each. He also buys $50 in pants. How much does he spend?
Thoughts? Step-by-step reasoning:

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
He spends 20 * 3 = $60 on t - shirts. So he spends 60 + 50 = $110 in total.
Thus, the answer is 110.