(3/4) of number A is equal to (2/3) of number B, and the number of A is the number of B.
甲数的(3/4)与乙数的(2/3)相等，甲数是乙数的多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">1 / (2/3)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / (3/4) / (3/2)</gadget>
<output>8/9 = around 0.888889</output>

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