(4/5) of number A is equal to (3/4) of number B, and number B is ((how many)/(())) of number A.
甲数的(4/5)等于乙数的(3/4)，乙数是甲数的((多少)/(()))．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(3/4) / (4/5)</gadget>
<output>15/16 = around 0.9375</output>

<gadget id="calculator">1 * (15/16)</gadget>
<output>15/16 = around 0.9375</output>

<gadget id="calculator">1 / (15/16)</gadget>
<output>16/15 = around 1.066667</output>

<result>16/15 = around 1.066667</result>