A pie shop charges $3 per slice of custard pie. They cut each whole pie into 10 slices. If they make 6 whole custard pies, how much money will the pie shop earn? Let's think first. Chain of thought:

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.
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The pie shop has 6 x 10 = 60 slices of custard pie. Therefore, the pie shop will earn $3 x 60 = $180 for the 60 slices of custard pie.
Therefore, the answer is 180.