What is the sum of 30% plus three times (4/9)?
30%加上(4/9)的3倍，和是多少？
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

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

<gadget id="calculator">(4/9) * 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(3/10) + (4/3)</gadget>
<output>49/30 = around 1.633333</output>

<result>49/30 = around 1.633333</result>