Two bags of rice, A and B, are taken out from bag A (1/6) and put into bag B. The weights of the two bags of rice are equal. It turns out that bag A is heavier than bag B ((())/(())).
甲、乙两袋大米，由甲袋取出(1/6)放到乙袋，两袋大米的重量相等，原来甲袋大米比乙袋重((())/(()))．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) * 2</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">(1/6) * 3</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>