The game company plans to produce a batch of limited edition consoles. Now that the planned (5/12) has been completed, if another 340 units are produced, the total output will exceed the planned (1/8), how many units were originally planned to be produced?
游戏公司计划生产一批限量版的游戏机．现在已完成计划的(5/12)，如果再生产340台，总产量就超过计划的(1/8)，原计划生产多少台？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(1/8) - (5/12)</gadget>
<output>-7/24 = around -0.291667</output>

<gadget id="calculator">1 + (-7/24)</gadget>
<output>17/24 = around 0.708333</output>

<gadget id="calculator">340 / (17/24)</gadget>
<output>480</output>

<result>480</result>