(5/21) of a number is (25/84), what is this number?
一个数的(5/21)是(25/84)，这个数是多少？
<gadget id="calculator">25 / 84</gadget>
<output>25/84 = around 0.297619</output>

<gadget id="calculator">5 / 21</gadget>
<output>5/21 = around 0.238095</output>

<gadget id="calculator">(25/84) / (5/21)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>