1(7/8)/3(3/5)-□/3(1/3)*(7/8)=(11/24),□=how many.
1(7/8)/3(3/5)-□/3(1/3)*(7/8)=(11/24)，□=多少．
<gadget id="calculator">1 / 16</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">21 / 80</gadget>
<output>21/80 = around 0.2625</output>

<gadget id="calculator">(1/16) / (21/80)</gadget>
<output>5/21 = around 0.238095</output>

<result>5/21 = around 0.238095</result>