A pile of coal, originally planned to burn 4 tons per day, can last for 75 days. Due to the improvement of the stove, it can burn 3 tons per day. How many days can this pile of coal be burned?
一堆煤，原计划每天烧4吨，可以75天，由于改进炉灶，每天烧3吨，这堆煤可以烧多少天？
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">75 * (4/3)</gadget>
<output>100</output>

<result>100</result>