A factory actually burns 120 tons of coal in October, which is (1/9) less than the planned coal burning. How many tons of coal are planned to burn in October? (column equation solution)
某工厂十月份实际烧煤120吨，比计划烧煤节约了(1/9)，十月份计划烧煤多少吨？(列方程解答)
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">120 / (8/9)</gadget>
<output>135</output>

<result>135</result>