The power plant now burns 26.4 tons of coal per day, which is 3.6 tons less than before. The original coal can be burned for 88 days. How many tons of coal did it have?
发电厂现在每天烧煤26.4吨，比原来节约3.6吨，原来的煤能烧88天，原来有煤多少吨？
<gadget id="calculator">26.4 + 3.6</gadget>
<output>30</output>

<gadget id="calculator">30 * 88</gadget>
<output>2_640</output>

<result>2_640</result>