Insert a 30-second advertisement in a certain sports program to promote your own products, play it once a day for two consecutive weeks, pay a total of RMB 1.47 million, how much is the average per second?
在某体育节目中插播一条30秒的广告，用来宣传自己的产品，每天播放一次，连续播放两周，共付人民币147万元，平均每秒多少元？
<gadget id="calculator">147 * 10_000</gadget>
<output>1_470_000</output>

<gadget id="calculator">30 * 7 * 2</gadget>
<output>420</output>

<gadget id="calculator">1_470_000 / 420</gadget>
<output>3_500</output>

<result>3_500</result>