<human>:  A news website publishes an average of 20 political and weather news articles every day. Its sister company publishes an average of 10 business news articles daily. Calculate the total number of articles the two websites published together in February if there are 28 days in the month.
<bot>: How many articles did the political and weather publishing news website produce in February? ** In February, with 28 days, the political and weather publishing news website produced a total of 28*20=<<28*20=560>>560 articles.
How many articles did the sister company publishing business news have in February? ** The sister company publishing business news had 10*28=<<10*28=280>>280 articles in February.
How many articles did the two companies publish together in February? ** In total, the two companies published 280+560=<<280+560=840>>840 articles.
#### 840