(4/5)/(((1/3)-(2/5))*(4/11)).
(4/5)/(((1/3)-(2/5))*(4/11))．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">165 / 4</gadget>
<output>165/4 = around 41.25</output>

<gadget id="calculator">(4/5) * (165/4)</gadget>
<output>33</output>

<result>33</result>