Calculation: (5/9)-0.07+(4/9)+0.3.
计算：(5/9)-0.07+(4/9)+0.3．
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(5/9) - 0.07</gadget>
<output>0.485556</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">0.485556 + (4/9) + 0.3</gadget>
<output>1.23</output>

<result>1.23</result>