A certain factory burned 120 tons of coal in May, equivalent to the original plan (8/9), how many tons of coal was originally planned?
某工厂五月份烧煤120吨，相当于原计划的(8/9)，原计划烧煤多少吨？
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

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

<result>135</result>