A factory used 5,400 tons of coal in July, and it saved (1/9) less in August than in July. How many tons of coal was used in August?
一个工厂七月份用煤5400吨，八月份比七月份节约(1/9)，八月份用煤多少吨？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">5_400 * (1/9)</gadget>
<output>600</output>

<gadget id="calculator">5_400 - 600</gadget>
<output>4_800</output>

<result>4_800</result>