The number A is (3/4) of the number C, the number B is (2/3) of the number C, and the number B is ((())/(())) of the number A.
甲数是丙数的(3/4)，乙数是丙数的(2/3)，乙数是甲数的((())/(()))．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(2/3) / (3/4)</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>