The radio factory produced 780 TV sets in March, 786 sets in April, and 813 sets in May. How many TV sets does the factory produce on average per month?
无线电厂三月份生产电视机780台，四月份生产786台，五月份生产813台，该厂平均月产电视机多少台？
<gadget id="calculator">780 + 813 + 786</gadget>
<output>2_379</output>

<gadget id="calculator">2_379 / 3</gadget>
<output>793</output>

<result>793</result>