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

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

<gadget id="calculator">(9/4) / 4</gadget>
<output>9/16 = around 0.5625</output>

<result>9/16 = around 0.5625</result>