It is known that a and b are reciprocals of each other, how much is ((a)/2)/(2/(b))=
已知a和b互为倒数，((a)/2)/(2/(b))=多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>