A pile of coal has been transported (1/8) ton, and the remaining (1/2) ton is more than transported away, how many tons is this pile of coal originally?
一堆煤已运走了(1/8)吨，余下的比运走的多(1/2)吨，这堆煤原有多少吨？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/8) + (1/2) + (1/8)</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>