A wood factory processed a batch of tables and chairs. After shipping out (2/3), another 760 sets were processed, which was an increase of 30% compared with the original one. How many sets of tables and chairs were originally processed?
某木工厂加工一批桌椅，运出(2/3)后，又加工了760套，这时比原来增加了30%，原来加工桌椅多少套？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(3/10) - (2/3)</gadget>
<output>-11/30 = around -0.366667</output>

<gadget id="calculator">1 + (-11/30)</gadget>
<output>19/30 = around 0.633333</output>

<gadget id="calculator">760 / (19/30)</gadget>
<output>1_200</output>

<result>1_200</result>