Given the following reasoning and answer, what was the question? During the race, there were five ads, lasting 3 minutes each, so in total, they lasted 5 * 3 = 15 minutes. So the total cost of these ads was 15 * 4000 = $60000.
 The answer: 60000

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 question During a race transmitted on television, five advertisements were shown, lasting 3 minutes each. One minute of advertising costs $4000. What was the cost of transmitting these advertisements during the race?