The Guangming Tractor Factory produced 480 tractors in the year before last, the number of tractors produced last year increased by (1/6) compared to the previous year, and the number of tractors produced this year increased by (1/8) compared to last year. How many tractors has this factory produced this year?
光明拖拉机厂前年生产拖拉机480台，去年生产的台数比前年增加了(1/6)，今年生产的台数比去年增加了(1/8)．这个厂今年生产了多少台拖拉机？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 + (1/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">480 * (7/6) * (9/8)</gadget>
<output>630</output>

<result>630</result>