Simple calculation: (4.8-4.8*(5/6))/(4/3).
简便计算：(4.8-4.8*(5/6))/(4/3)．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">4.8 * (5/6)</gadget>
<output>4</output>

<gadget id="calculator">4.8 - 4</gadget>
<output>0.8</output>

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

<gadget id="calculator">0.8 / (4/3)</gadget>
<output>0.6</output>

<result>0.6</result>