(1/3)/(1/4)*4/(4/3)=how much.
(1/3)/(1/4)*4/(4/3)=多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) / (1/4)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">4 / (4/3)</gadget>
<output>3</output>

<gadget id="calculator">(4/3) * 3</gadget>
<output>4</output>

<result>4</result>