A pile of coal, 16 tons more than the pile of coal (1/3) was used for the first time, 10 tons more than the remaining (1/2) was used for the second time, 20 tons were used for the third time , just used up, how many tons of this pile of coal?
一堆煤，第一次用去的比这堆煤的(1/3)多16吨，第二次用去的比剩下的(1/2)多10吨，第三次用了20吨，正好用完，这堆煤原来有多少吨？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 16</gadget>
<output>8</output>

<gadget id="calculator">20 - 8</gadget>
<output>12</output>

<gadget id="calculator">16 + 10 + 12</gadget>
<output>38</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) * (1/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) + (1/6)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">38 / (1/3)</gadget>
<output>114</output>

<result>114</result>