Calculation: (8/5)*(2/3)/(8/5)*(2/3).
计算：(8/5)*(2/3)/(8/5)*(2/3)．
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) / (8/5)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(8/5) * (5/12) * (2/3)</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>