TV consumes about 0.1 kWh of electricity per hour. If each TV is turned on less than 1 hour a day, how much electricity will be saved by 650 million TVs in the country in one year (365 days).
一台电视机一小时大约耗电0.1度，如果每台电视机每天少开1小时，全国6.5亿台电视机一年(365天)大约节约用电多少度．
<gadget id="calculator">0.1 * 6.5</gadget>
<output>0.65</output>

<gadget id="calculator">0.65 * 365</gadget>
<output>237.25</output>

<result>237.25</result>