Solve the equation: 2+3x=6.
解方程：2+3x=6．
<gadget id="calculator">6 - 2</gadget>
<output>4</output>

<gadget id="calculator">4 / 3</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>