basket of pears, the weight of the pears and the basket is 32 kilograms, the pears (2/3) are sold, the remaining pears and the basket weigh 12 kilograms, how many kilograms are the original pears?
一筐梨，梨和筐共重32千克，卖出梨的(2/3)，剩下的梨和筐共重12千克，原来的梨有多少千克？
<gadget id="calculator">32 - 12</gadget>
<output>20</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">20 / (2/3)</gadget>
<output>30</output>

<result>30</result>