pile of coal burned (3/4) tons in the first week, and burned (1/8) tons less in the first week than in the second week, leaving (5/8) tons. How many tons are there in total in this pile of coal?
一堆煤，第一周烧了(3/4)吨，第一周比第二周少烧(1/8)吨，还剩(5/8)吨，这堆煤一共有多少吨？
<gadget id="calculator">9 / 5</gadget>
<output>9/5 = around 1.8</output>

<result>9/5 = around 1.8</result>