A company inserts a 30-second advertisement on a local TV station to promote its own products. It broadcasts once a day, and pays a total of RMB 357,000 for two consecutive weeks. How much is the average per second?
某公司在地方电视台插播一条30秒广告，宣传自已的产品，每天播出一次，连播两周共付人民币35.7万元，平均每秒多少元？
<gadget id="calculator">35.7 * 10_000</gadget>
<output>357_000</output>

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

<gadget id="calculator">357_000 / 420</gadget>
<output>850</output>

<result>850</result>