Among the following numbers, X=how much is the solution of the equation X+X/2=3.
下列各数中，X=多少是方程X+X/2=3的解．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">3 / (3/2)</gadget>
<output>2</output>

<result>2</result>