Solve the equation: 4(x+0.8)=9.6.
解方程：4(x+0.8)=9.6．
<gadget id="calculator">4 * 0.8</gadget>
<output>3.2</output>

<gadget id="calculator">9.6 - 3.2</gadget>
<output>6.4</output>

<gadget id="calculator">6.4 / 4</gadget>
<output>1.6</output>

<result>1.6</result>