It is known that (3/4) of A is equal to (2/3) of B, and how much is (1/2) of A equal to that of B
已知甲的(3/4)等于乙的(2/3)，甲的(1/2)等于乙的多少
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * (2/3)</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>