A company inserts a 15-second promotional advertisement in the prime time of a TV station, broadcasts it once a day for a week, and pays a total of 735,000 yuan.
某公司在电视台黄金档插播一条15秒的宣传广告，每天播出一次，连续一周，共付人民币73.5万元，平均每秒多少万元？
<gadget id="calculator">15 * 7</gadget>
<output>105</output>

<gadget id="calculator">73.5 / 105</gadget>
<output>0.7</output>

<result>0.7</result>