The ratio of white rabbits to black rabbits is 5:7, the number of white rabbits is 28 more than the number of black rabbits (2/3). How many white rabbits and black rabbits are there?
白兔与黑兔只数比为5：7，白兔的只数比黑兔只数的(2/3)多28只．白兔和黑兔共有多少只？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

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

<gadget id="calculator">(5/7) - (2/3)</gadget>
<output>1/21 = around 0.047619</output>

<gadget id="calculator">28 / (1/21)</gadget>
<output>588</output>

<gadget id="calculator">588 * (5/7)</gadget>
<output>420</output>

<gadget id="calculator">588 + 420</gadget>
<output>1_008</output>

<result>1_008</result>