X plus its (1/3) is equal to 6, find X.
X加上它的(1/3)等于6，求X．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">6 / (4/3)</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>