Solve the equation: 1.8+1.2x=3.6.
解方程：1.8+1.2x=3.6．
<gadget id="calculator">3.6 - 1.8</gadget>
<output>1.8</output>

<gadget id="calculator">1.8 / 1.2</gadget>
<output>1.5</output>

<result>1.5</result>