If (1/2)≤a≤3, 6≤b≤63, what is the maximum value of ((b)/(a)).
若(1/2)≤a≤3，6≤b≤63，则((b)/(a))的最大值是多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">63 / (1/2)</gadget>
<output>126</output>

<result>126</result>