What is the quotient of the difference between (5/6) of 30 and 12 divided by the sum of 20 and 6?
30的(5/6)与12的差除以20与6的和的商为多少．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">30 * (5/6)</gadget>
<output>25</output>

<gadget id="calculator">25 - 12</gadget>
<output>13</output>

<gadget id="calculator">20 + 6</gadget>
<output>26</output>

<gadget id="calculator">13 / 26</gadget>
<output>1/2 = around 0.5</output>

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