Calculation: 0.4: (4/3) = how much.
计算：0.4：(4/3)=多少．
<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">0.4 / (4/3)</gadget>
<output>0.3</output>

<result>0.3</result>