A basket of pears is distributed to Qingqing, Liangliang and Lele. Qingqing gets all the pears (1/5) plus 8 pears, Liangliang gets all the pears (1/4) plus 4 pears, Lele Divide half of the remaining pears, and the last remaining pears are exactly equal to (1/8) of the basket of pears. How many pears are there in this basket?
一筐梨分给青青、亮亮和乐乐三人，青青分得全部梨的(1/5)加8个梨，亮亮分得全部梨的(1/4)加4个梨，乐乐分得剩余梨的一半，最后剩下的梨正好等于这筐梨的(1/8)．这筐梨一共有多少个？
<gadget id="calculator">8 + 4</gadget>
<output>12</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(3/4) - (1/5) - (1/4)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">12 / (3/10)</gadget>
<output>40</output>

<result>40</result>