The factory has a batch of coal. It is planned to burn 8 tons per day, and it can be burned for 60 days. The actual daily burning is 20% less than the original plan. How many days can this batch of coal actually be burned?
工厂有一批煤，计划每天烧8吨，可以烧60天，实际每天比原计划少烧20%，这批煤实际可以烧多少天？
<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">8 * (4/5)</gadget>
<output>32/5 = around 6.4</output>

<gadget id="calculator">60 / (32/5)</gadget>
<output>75/8 = around 9.375</output>

<gadget id="calculator">8 * (75/8)</gadget>
<output>75</output>

<result>75</result>