A pile of coal, originally planned to burn 7.5 tons per day, can be burned for 24 days, but actually burns 0.3 tons less than the original plan per day, how many days can it actually be burned?
一堆煤，原计划每天烧7.5吨，可以烧24天，实际每天比原计划少烧0.3吨，实际可以烧多少天？
<gadget id="calculator">180 / 7.2</gadget>
<output>25</output>

<result>25</result>