If (7/11) of A number is equal to (21/44) of B number, then, B number: A number = how much
如果甲数的(7/11)等于乙数的(21/44)，那么，乙数：甲数=多少
<gadget id="calculator">7 / 11</gadget>
<output>7/11 = around 0.636364</output>

<gadget id="calculator">21 / 44</gadget>
<output>21/44 = around 0.477273</output>

<gadget id="calculator">(7/11) / (21/44)</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>