Beilun Power Plant burned 24,000 tons of coal in October, saving (1/3) compared to September. How many tons of coal was burned in September?
北仑发电厂十月份烧煤2.4万吨，比九月份节约了(1/3)，九月份烧煤多少万吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2.4 / (2/3)</gadget>
<output>3.6</output>

<result>3.6</result>