A pile of coal was transported 36 tons on the first day, and 12.5% of this pile of coal was removed on the second day, exactly half of this pile of coal. How many tons of this pile of coal are there?
一堆煤第一天运走36吨，第二天运走这堆煤的12.5%，正好运走了这堆煤的一半，这堆煤有多少吨？
<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">(1/2) - 0.125</gadget>
<output>0.375</output>

<gadget id="calculator">36 / 0.375</gadget>
<output>96</output>

<result>96</result>