The difference between (2/3) and (1/4) is equal to (5/6) of a number. What is this number?
(2/3)与(1/4)的差等于一个数的(5/6)，这个数是多少？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">(2/3) - (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(5/12) / (5/6)</gadget>
<output>1/2 = around 0.5</output>

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