Calculation: 2(2/3)*3(3/4)/3(1/3).
计算：2(2/3)*3(3/4)/3(1/3)．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 * (2/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3 * (3/4)</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 * (1/3)</gadget>
<output>1</output>

<gadget id="calculator">(9/4) / 1</gadget>
<output>9/4 = around 2.25</output>

<gadget id="calculator">(4/3) * (9/4)</gadget>
<output>3</output>

<result>3</result>