A pile of coal was originally planned to burn 3 tons per day, which can last for 96 days. Due to the improved method, 20% of the coal consumption can be saved every day. How many days can this pile of coal be burned now?
一堆煤原计划每天烧3吨，可烧96天，由于改进方法，每天节约用煤20%，现在这堆煤可以烧几天？
<gadget id="calculator">96 * 3</gadget>
<output>288</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3 * (4/5)</gadget>
<output>12/5 = around 2.4</output>

<gadget id="calculator">288 / (12/5)</gadget>
<output>120</output>

<result>120</result>